FR1194198A - - Google Patents
Info
- Publication number
- FR1194198A FR1194198A FR1194198DA FR1194198A FR 1194198 A FR1194198 A FR 1194198A FR 1194198D A FR1194198D A FR 1194198DA FR 1194198 A FR1194198 A FR 1194198A
- Authority
- FR
- France
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
- E21D15/58—Devices for setting props or chocks
- E21D15/581—Devices for setting props or chocks in which the props are pre- loaded
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1194198A true FR1194198A (ru) | 1959-11-06 |
Family
ID=1568667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1194198D Expired FR1194198A (ru) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1194198A (ru) |
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0
- FR FR1194198D patent/FR1194198A/fr not_active Expired