CN215442395U - Assembled house - Google Patents
Assembled house Download PDFInfo
- Publication number
- CN215442395U CN215442395U CN202121303178.5U CN202121303178U CN215442395U CN 215442395 U CN215442395 U CN 215442395U CN 202121303178 U CN202121303178 U CN 202121303178U CN 215442395 U CN215442395 U CN 215442395U
- Authority
- CN
- China
- Prior art keywords
- angle steel
- roof
- light
- steel beams
- beams
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 116
- 239000010959 steel Substances 0.000 claims abstract description 116
- 230000003014 reinforcing effect Effects 0.000 claims description 31
- 238000009413 insulation Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 5
- 235000000396 iron Nutrition 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses an assembled house, which belongs to the technical field of assembled buildings and comprises a main body frame, a wall panel and a roof panel, wherein the main body frame comprises steel column feet, bottom angle steel beams, top angle steel beams and roof truss angle steel beams, each steel column foot comprises a bottom plate and angle steel columns vertical to the bottom plate, the bottom angle steel beams and the top angle steel beams are fixedly arranged between the bottoms and the tops of the two angle steel columns at adjacent corners respectively, edge supporting pieces are arranged above the end parts of the two opposite top angle steel beams, and the roof truss angle steel beams which are obliquely arranged are fixedly arranged on each edge supporting piece through fasteners; the wall panel comprises a plurality of light wall boards which are arranged in parallel, and two sides of each light wall board are fixed on the main body frame through first hook bolts; the roof panels comprise a plurality of light roof panels which are arranged in parallel. The utility model has the advantages of convenient transportation, high assembly speed and good heat insulation performance.
Description
Technical Field
The utility model belongs to the technical field of prefabricated buildings, and particularly relates to a prefabricated house.
Background
With the progress of science and technology and the development of the building industry, fabricated buildings gradually come into the field of vision of people. The fabricated building has the advantages of short construction time, quick finished products and the like, and is greatly concerned by the building industry. The fabricated building is produced and prefabricated in a factory after the structural bodies (such as wall panels, columns, beams, roof panels, stairs and the like) of the building are disassembled according to certain specifications, and then the prefabricated building is transported to a site for assembly.
At present, prefabricated components of the prefabricated house in the prior art, such as beams, columns and plates, are usually common concrete components, so that the prefabricated house is heavy in weight and difficult to carry; the sizes of prefabricated components such as wall panels and roof panels are not uniform, and the transportation is inconvenient; and the structures and the connection modes of the components are different, so that different assembly sequences and connection relations of the components need to be followed during assembly, and assembly is time-consuming and labor-consuming. In addition, the heat preservation effect of the wall panel and the roof panel for the existing fabricated building is poor.
Therefore, in the field of prefabricated construction technology, there is still a need for research and improvement of prefabricated houses, which is also a research focus and emphasis in the field of prefabricated construction technology at present and is the starting point for the completion of the present invention.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is as follows: the assembled house is convenient to transport, high in assembling speed and good in heat preservation performance.
In order to solve the technical problems, the technical scheme of the utility model is as follows: an assembled house comprises a main body frame, wall panels and roof panels, wherein the main body frame comprises four steel column feet, bottom angle steel beams, top angle steel beams and roof truss angle steel beams, the number of the steel column feet is four, the four steel column feet are arranged in a rectangular shape, each steel column foot comprises a bottom plate and angle steel columns perpendicular to the bottom plates, the bottom angle steel beams and the top angle steel beams are fixedly installed between the bottoms and the tops of the two angle steel columns at adjacent corners respectively, edge supporting pieces are arranged above the end parts of the two opposite top angle steel beams, the roof truss angle steel beams which are obliquely arranged are fixedly installed on each edge supporting piece through fasteners, and the tops of the two roof truss angle steel beams at the same end are fixedly installed together;
the wall panel comprises a plurality of light wall boards which are arranged in parallel, and two sides of each light wall board are fixed on the main body frame through first hook bolts; the roof panels comprise a plurality of light roof panels which are arranged in parallel, and two sides of each light roof panel are fixed on the corresponding roof truss angle steel beams through second hook bolts.
As an improvement, a plurality of light wall boards are arranged in a transverse lapping and/or vertical lapping mode; when the light wall board is transversely lapped, two sides of the light wall board are fixed on the corresponding angle steel columns through the first hook head bolts; when the light wall plate is erected, one side of the light wall plate is fixed on the bottom angle steel beam through the first hook bolt, and the other side of the light wall plate is fixed on the top angle steel beam or the roof truss angle steel beam through the first hook bolt.
As an improvement, the light wall board and the light roof board are both made of autoclaved aerated concrete slabs.
As an improvement, a middle supporting piece is further arranged above the middle part of the top angle steel beam provided with the side supporting piece, the two middle supporting pieces are fixedly provided with the obliquely arranged roof truss angle steel beams, the tops of the two roof truss angle steel beams positioned in the middle part are fixedly arranged together, and the middle part of the light roof panel is fixed on the corresponding roof truss angle steel beam through a third hook bolt.
As a further improvement, the side supporting pieces and the middle supporting piece respectively comprise a supporting plate and a reinforcing plate, the supporting plate is perpendicular to the top angle steel beam, the reinforcing plate is arranged between the supporting plate and the top angle steel beam, and the upper surface of the supporting plate is obliquely arranged.
As an improvement, dovetail grooves are respectively arranged on the mutually lapped side surfaces of two adjacent light wall boards, and connecting pieces are inserted in the corresponding dovetail grooves.
As an improvement, a baffle is vertically arranged on one side, close to the light roof panel, of the bottom end of the roof truss angle steel beam.
As an improvement, a door opening and a window opening are formed in the wall panel, reinforcing frames are arranged around the window opening and comprise two transverse reinforcing angle steels and two vertical reinforcing angle steels, two ends of each transverse reinforcing angle steel are fixedly arranged on the corresponding angle steel column, and two ends of each vertical reinforcing angle steel are fixedly arranged on the corresponding transverse reinforcing angle steel.
After the technical scheme is adopted, the utility model has the beneficial effects that:
the assembled house provided by the utility model is characterized in that a main body frame, a wall panel and a roof panel are designed, the main body frame comprises a steel column base, a bottom angle steel beam, a top angle steel beam and a roof truss angle steel beam, the wall panel comprises a plurality of light wall boards which are arranged in parallel, and the roof panel comprises a plurality of light roof panels which are arranged in parallel, so that the main body frame of the assembled house adopts the steel frame, the wall panel is formed by splicing the light wall boards, and the roof panel is formed by splicing the light roof panels, thereby not only reducing the weight of the beam and the column, but also reducing the size and the weight of the wall panel and the roof panel, and facilitating the transportation; the main body frame adopts an angle steel frame, and two sides of the light wall plate are fixed on the main body frame through first hook head bolts; the two sides of the light roof board are fixed on the corresponding roof truss angle steel beams through second hook bolts, so that the assembly sequence of the light wall board and the light roof board is not limited, the installation is simple, and the assembly efficiency is improved; compared with common concrete members, the prefabricated house has the advantages that the light wall boards and the light roof boards are adopted, and the heat insulation performance of the prefabricated house is good. The prefabricated house provided by the utility model is convenient to transport, high in assembling speed and good in heat insulation performance.
Because a plurality of light wall boards are arranged in a transverse overlapping and/or vertical overlapping mode, the butt strap is flexible and convenient to assemble.
Because the light wall board and the light roof board are both made of autoclaved aerated concrete boards, the wall board and the roof board can be respectively made into standardized boards with uniform specifications, and the autoclaved aerated concrete boards are suitable for mass production and convenient to transport, and have good performances of fire resistance, fire prevention, sound insulation, heat insulation and heat preservation.
Because the middle supporting pieces are arranged above the middle parts of the top angle steel beams, the two middle supporting pieces are fixedly provided with the obliquely arranged roof truss angle steel beams, and the middle parts of the light roof panels are fixed on the corresponding roof truss angle steel beams through the third hook head bolts, the middle parts of the light roof panels can be supported and fixed.
Because limit portion support piece and middle part support piece all include backup pad and reinforcing plate, the upper surface slope of backup pad sets up, can play firm support to roof truss angle-steel roof beam like this.
Because the side surfaces of two adjacent light wall boards which are mutually lapped are respectively provided with the dovetail grooves, and the connecting pieces are inserted in the corresponding dovetail grooves, the connection between the light wall boards is more reliable through the connecting pieces.
Because the baffle is vertically arranged at the bottom end of the roof truss angle steel beam, the bottom of the light roof board can be limited by the baffle.
Because the wall panel is provided with the window opening, the periphery of the window opening is provided with the reinforcing frame, and the reinforcing frame can reinforce the window opening.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.
FIG. 1 is a schematic structural view of a prefabricated building provided by the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a left side view of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 4 at B;
FIG. 6 is a top view of FIG. 1;
FIG. 7 is a schematic view of the connection between the light roof panel and the angle beam of the roof truss at C of FIG. 6;
FIG. 8 is a schematic view of the relative positions of the lightweight roof panels, roof angle beams and fenders of FIG. 6 at D;
FIG. 9 is a plan view of a steel column shoe of the prefabricated building provided by the present invention;
FIG. 10 is a plan view of the bottom angle section of FIG. 9 after installation;
FIG. 11 is a cross-sectional view E-E of FIG. 10;
FIG. 12 is a plan view of the roof angle section of FIG. 10 after installation;
FIG. 13 is a cross-sectional view F-F of FIG. 12;
FIG. 14 is a top view of the roof truss angle section of FIG. 12 after installation;
FIG. 15 is a schematic view of the portion of FIG. 14 taken along line G;
FIG. 16 is a sectional view taken at H-H in FIG. 6;
in the figure: 1. a main body frame; 11. a steel column base; 111. a base plate; 112. an angle steel column; 12. a bottom angle beam; 13. a top angle beam; 14. roof truss angle beam; 15. an edge support; 151. a support plate; 152. a reinforcing plate; 16. a fastener; 17. a middle support; 18. a baffle plate; 2. a wall panel; 21. a light wall panel; 22. a first hook bolt; 23. a connecting member; 24. a door opening; 25. a window opening; 26. a reinforcing frame; 261. transverse reinforcing angle steel; 262. vertical reinforcing angle steel; 3. a roof panel; 31. a light roof panel; 32. a second hook bolt.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present specification, the terms "front", "rear", "left", "right", "inner", "outer" and "middle" are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship between the terms and the corresponding parts are also regarded as the scope of the present invention without substantial changes in the technical contents.
As shown in fig. 1 to 16, the prefabricated house includes a main body frame 1, a wall panel 2 and a roof panel 3, the main body frame 1 includes steel column bases 11, bottom angle steel beams 12, top angle steel beams 13 and roof truss angle steel beams 14, the steel column bases 11 are four and arranged in a rectangle, each steel column base 11 includes a bottom plate 111 and an angle steel column 112 perpendicular to the bottom plate 111, a bottom angle steel beam 12 and a top angle steel beam 13 are respectively and fixedly installed between the bottom and the top of two angle steel columns 112 located at adjacent corners, edge supporting members 15 are respectively arranged above the end portions of two top angle steel beams 13 arranged oppositely, an inclined roof truss angle steel beam 14 is fixedly installed on each edge supporting member 15 through a fastening member 16, the fastening members 16 are preferably bolts and nuts, and the tops of two roof truss angle steel beams 14 located at the same end are fixedly installed together.
The wall panel 2 comprises a plurality of light wall boards 21 which are arranged in parallel, and two sides of each light wall board 21 are fixed on the main body frame 1 through first hook bolts 22; the roof panel 3 includes a plurality of light roof panels 31 arranged in parallel, and both sides of the light roof panels 31 are fixed to the corresponding roof truss angle steel beams 14 by second hook bolts 32.
Thus, the main body frame 1 of the prefabricated house adopts a steel frame, the wall panel 2 is formed by splicing light wall boards 21, and the roof panel 3 is formed by splicing light roof boards 31, so that the weight of beams and columns can be reduced, the size and the weight of the wall panel 2 and the roof panel 3 can be reduced, and the transportation is convenient; because the main body frame 1 adopts an angle steel frame, two sides of the light wall plate 21 are fixed on the main body frame 1 through the first hook bolt 22; the two sides of the light roof panel 31 are fixed on the corresponding roof truss angle steel beams 14 through second hook bolts 32, so that the assembly sequence of the light wall panels 21 and the light roof panel 31 is unlimited, the installation is simple, and the assembly efficiency is improved; compared with the common concrete member, the light wall plate 21 and the light roof plate 31 are adopted, so that the assembled house is good in heat insulation performance.
In order to facilitate assembly, the light wall boards 21 are arranged in a transverse and/or vertical mode, so that the butt strap is flexible. As shown in fig. 2 and 16, in transverse lapping, two sides of the light wall panel 21 are fixed to the corresponding corner steel columns 112 by first hook bolts; as shown in fig. 1, 4 and 16, in erecting, one side of the light wall plate 21 is fixed to the bottom angle beam 12 by the first hook bolt, and the other side is fixed to the top angle beam 13 or the roof truss angle beam 14 by the first hook bolt.
In a specific implementation manner of the embodiment of the present invention, the light wall panels 21 and the light roof panels 31 are both made of autoclaved aerated concrete slabs, so that the wall panels 2 and the roof panels 3 can be respectively made into standardized slabs with uniform specifications, which is suitable for mass production and convenient for transportation, and the light wall panels 21 and the light roof panels 31 have good properties of fire resistance, sound insulation, heat insulation and heat preservation.
In a specific implementation manner of the embodiment of the present invention, in order to support and fix the middle portion of the light roof panel 31, as shown in fig. 14, a middle supporting member 17 is further disposed above the middle portion of the top angle beam 13 on which the side supporting member 15 is mounted, two obliquely disposed roof angle beams 14 are fixedly mounted on the two middle supporting members 17, tops of the two roof angle beams 14 located in the middle portion are fixedly mounted together, and the middle portion of the light roof panel 31 is fixed to the corresponding roof angle beam 14 through a third hook bolt (not shown in the figure).
In an embodiment of the present invention, in order to stably support the roof angle-section steel beams 14, as shown in fig. 15, the side supporting member 15 includes a supporting plate 151 disposed perpendicular to the top angle-section steel beam 13 and a reinforcing plate 152 disposed between the supporting plate 151 and the top angle-section steel beam 13, and an upper surface of the supporting plate 151 is inclined. The structure of the middle supporting member 17 is the same as that of the edge supporting member 15, and thus, a detailed description thereof will be omitted.
In a specific implementation manner of the embodiment of the present invention, in order to make the connection between the light wall panels 21 more reliable, as shown in fig. 4 and 5, dovetail grooves (not shown) are respectively formed on the overlapped side surfaces of two adjacent light wall panels 21, and the connecting pieces 23 are inserted into the corresponding dovetail grooves.
In a specific implementation manner of the embodiment of the present invention, in order to limit the bottom of the light roof panel 31, as shown in fig. 8, a baffle 18 is vertically disposed on a side of the bottom end of the roof truss angle steel beam 14 close to the light roof panel 31.
As shown in fig. 1, 2 and 3, a door opening 24 and a window opening 25 are formed in the wall panel 2, in order to reinforce the window opening 25, a reinforcing frame 26 is arranged around the window opening 25, the reinforcing frame 26 includes two transverse reinforcing angle irons 261 and two vertical reinforcing angle irons 262, two ends of the transverse reinforcing angle irons 261 are respectively and fixedly mounted on corresponding angle steel columns (not shown in the figure), and two ends of the vertical reinforcing angle irons 262 are respectively and fixedly mounted on corresponding transverse reinforcing angle irons 261.
During assembly, the steel column bases 11 are firstly installed to form a structure shown in fig. 9, then the bottom angle steel beams 12, the top angle steel beams 13 and the roof truss angle steel beams 14 are sequentially installed, namely the structures shown in fig. 10, fig. 12 and fig. 14 are sequentially formed, finally the light wall boards 21 are fixed through the first hook head bolts 22, the light roof boards 31 are fixed through the second hook head bolts 32 and the third hook head bolts, and the structure shown in fig. 1 is formed, and the assembly is completed.
In conclusion, the assembled house provided by the utility model is convenient to transport, high in assembly speed and good in heat insulation performance.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (8)
1. An assembled house is characterized by comprising a main body frame, wall panels and roof panels, wherein the main body frame comprises four steel column bases, bottom angle steel beams, top angle steel beams and roof truss angle steel beams, the four steel column bases are arranged in a rectangular shape, each steel column base comprises a bottom plate and an angle steel column perpendicular to the bottom plate, the bottom angle steel beams and the top angle steel beams are fixedly installed between the bottoms and the tops of the two angle steel columns at adjacent corners respectively, edge supporting pieces are arranged above the end parts of the two oppositely arranged top angle steel beams, the roof truss angle steel beams which are obliquely arranged are fixedly installed on each edge supporting piece through fasteners, and the tops of the two roof truss angle steel beams at the same end are fixedly installed together;
the wall panel comprises a plurality of light wall boards which are arranged in parallel, and two sides of each light wall board are fixed on the main body frame through first hook bolts; the roof panels comprise a plurality of light roof panels which are arranged in parallel, and two sides of each light roof panel are fixed on the corresponding roof truss angle steel beams through second hook bolts.
2. The prefabricated house of claim 1, wherein a plurality of said lightweight wall panels are arranged in a transverse and/or vertical manner; when the light wall board is transversely lapped, two sides of the light wall board are fixed on the corresponding angle steel columns through the first hook head bolts; when the light wall plate is erected, one side of the light wall plate is fixed on the bottom angle steel beam through the first hook bolt, and the other side of the light wall plate is fixed on the top angle steel beam or the roof truss angle steel beam through the first hook bolt.
3. The prefabricated house of claim 1 or 2, wherein said light wall panels and said light roof panels are both autoclaved aerated concrete panels.
4. The prefabricated house according to claim 1, wherein a middle supporting member is further arranged above the middle of the top angle steel beam on which the side supporting member is mounted, the two middle supporting members are fixedly provided with the obliquely arranged roof truss angle steel beams, tops of the two roof truss angle steel beams positioned in the middle are fixedly mounted together, and the middle of the light roof panel is fixed on the corresponding roof truss angle steel beam through a third hook bolt.
5. The prefabricated home as claimed in claim 4, wherein the side supporting pieces and the middle supporting piece each comprise a supporting plate disposed perpendicular to the top angle beam, and a reinforcing plate disposed between the supporting plate and the top angle beam, an upper surface of the supporting plate being disposed obliquely.
6. The prefabricated house of claim 1, wherein the side surfaces of two adjacent light wall boards, which are overlapped with each other, are respectively provided with dovetail grooves, and connecting pieces are inserted into the corresponding dovetail grooves.
7. The prefabricated house of claim 1, wherein a baffle plate is vertically provided at a side of a bottom end of the roof truss angle steel beam adjacent to the light roof panel.
8. The prefabricated house of claim 1, wherein the wall panel is provided with a door opening and a window opening, reinforcing frames are arranged around the window opening, each reinforcing frame comprises two transverse reinforcing angle steels and two vertical reinforcing angle steels, two ends of each transverse reinforcing angle steel are fixedly arranged on the corresponding angle steel columns, and two ends of each vertical reinforcing angle steel are fixedly arranged on the corresponding transverse reinforcing angle steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121303178.5U CN215442395U (en) | 2021-06-09 | 2021-06-09 | Assembled house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121303178.5U CN215442395U (en) | 2021-06-09 | 2021-06-09 | Assembled house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215442395U true CN215442395U (en) | 2022-01-07 |
Family
ID=79710753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121303178.5U Expired - Fee Related CN215442395U (en) | 2021-06-09 | 2021-06-09 | Assembled house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215442395U (en) |
-
2021
- 2021-06-09 CN CN202121303178.5U patent/CN215442395U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108560725B (en) | Container house stand and wallboard system | |
| CN215442395U (en) | Assembled house | |
| JPH07216980A (en) | Method of assembling bamboo unit house | |
| US2882557A (en) | Prefabricated house panels and method of assembling them | |
| KR102472810B1 (en) | Easy-to-install type prefabricate temporary building structure | |
| US4307548A (en) | Method of constructing houses | |
| JPH11336195A (en) | Building unit structural body, and manufacture thereof | |
| KR830000047B1 (en) | Prefab Building Units for Construction | |
| JP2003049481A (en) | Construction method for wooden house | |
| CN213869109U (en) | Assembled frame steel group keeps apart class case room structure | |
| JP4391041B2 (en) | Prefab building | |
| JP2769108B2 (en) | Assembling method of wooden unit house | |
| JP2519384B2 (en) | Auxiliary surface of wooden prefabricated building | |
| JP3031043U (en) | L type unit building material for lightweight steel structures | |
| JP2000144891A (en) | New wall structural material of building and wall construction method using the wall structural material | |
| JPH0210168Y2 (en) | ||
| JPS5814732Y2 (en) | Attachment device for purlins to corner beams | |
| JPH0452349A (en) | Lightweight cellular concrete slab structure for wooden framework | |
| JPS6032251Y2 (en) | Connection structure between beams and panels in prefabricated houses | |
| JP2000045447A (en) | Roof panel | |
| JPH0430247Y2 (en) | ||
| JP2004143843A (en) | Simple building | |
| JPH02279823A (en) | Construction of plural-story underground structure | |
| JPH01125466A (en) | Method of panel fitting assembly construction of concrete formwork | |
| JPH06200557A (en) | Jointed auxiliary plane of structure for wooden prefabricated building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |