BE586544Q
(en )
1960-05-03
Display device
FR1144390A
(en )
1957-10-11
Circuit breaker test device
FR1185886A
(en )
1959-08-07
Non-reciprocal electrical coupling device
FR1116466A
(en )
1956-05-08
Device for measuring the aerodynamic moment of step of an aerodynamic structure
FR1181338A
(en )
1959-06-15
Device for assembling construction elements of electrical devices
FR1176943A
(en )
1959-04-17
Electrical signal input blocking device
BE519206A
(en )
1955-04-01
DEVICE TO INDICATE STATES OF EQUILIBRIUM AND UNBALANCE IN AN ELECTRICAL CIRCUIT WITH BRIDGE.
BE610849A
(en )
1962-03-16
Electrical signal display device
FR1182913A
(en )
1959-07-01
Electrical circuit providing output signals in response to input signals
FR1079190A
(en )
1954-11-26
Device for indicating the states of equilibrium and unbalance in an electrical circuit with a bridge
FR1120056A
(en )
1956-06-29
Device intended to indicate the route of a certain communication and its electrical characteristics
FR1171942A
(en )
1959-02-03
Disconnector and disconnecting device
FR1196952A
(en )
1959-11-27
Device sensitive to the difference between two input signals
FR1144604A
(en )
1957-10-16
Impedance inverter device
FR1170934A
(en )
1959-01-20
Anti-vibration device for irrigation terminals
FR1202809A
(en )
1960-01-13
Electronic switch device
FR78361E
(en )
1962-07-13
Device for assembling construction elements of electrical devices
FR1137932A
(en )
1957-06-05
Connection device for electric blankets and other applications
FR1089629A
(en )
1955-03-21
Device allowing the connection and disconnection of a device mounted in series in an electrical circuit
BE582887A
(en )
1960-03-21
Assembly and connection device for flat batteries
FR1082562A
(en )
1954-12-30
Measuring and pouring device
CH343448A
(en )
1959-12-31
Electronic storage device
CH334169A
(en )
1958-11-15
Ultra-shortwave non-reciprocal transmission device
FR1167109A
(en )
1958-11-20
Clock face device
FR1179629A
(en )
1959-05-27
Device for lowering an aquifer