NL182022B
(en )
FLOW METER WITH POSITIVE DISPLACEMENT.
BE522689A
(en )
1955-11-25
HAND SPRAYER.
CH318307A
(en )
1956-12-31
Liquid switch with a pump device for the extinguishing liquid actuated by the switch pin
AT182157B
(en )
1955-06-10
Liquid switch with a pumping device for the extinguishing liquid actuated by a switch pin
CH316520A
(en )
1956-10-15
Electrically operated switch that can be locked by friction
AT174800B
(en )
1953-05-11
Gear pump
CH315016A
(en )
1956-07-15
Electromagnetically operated switching device
FR1058232A
(en )
1954-03-15
Reflection device
AT179820B
(en )
1954-10-11
Electromagnetically operated switching device
FR1052703A
(en )
1954-01-26
Tanks
CH308105A
(en )
1955-06-30
Contact device with spring-loaded contact segments for a pin-like switching element.
AT176896B
(en )
1953-12-10
Establishment with a contact liquid
CH304478A
(en )
1955-01-15
Screw connection with a screw locking device.
CH319009A
(en )
1957-01-31
Electromagnetically operated switching device
AT171367B
(en )
1952-05-26
Device for the automatic earth fault indication
NL183110B
(en )
DISPLAY DEVICE.
AT179157B
(en )
1954-07-26
Stop valve for liquids
ES29609Y
(en )
1952-06-01
A dropper device
ES33357Y
(en )
1953-03-16
Automatic pressure greaser
FR1089111A
(en )
1955-03-15
Valve drive
DK84243C
(en )
1958-01-13
Coupling device for relay calculators.
FR1055468A
(en )
1954-02-18
Riveting washer
AT178004B
(en )
1954-03-25
Siphon pump with a pressure line that flows freely with a gradient
CH312675A
(en )
1956-02-15
Monitoring device in a telecommunication switching system
FR1088107A
(en )
1955-03-03
Tanker