BE588910A
(en )
1960-07-18
Electrical connection device for printed circuits.
CH341874A
(en )
1959-10-31
Circuit breaker for alternating current
CH389060A
(en )
1965-03-15
Electrical switching device for alternating current
FR1150863A
(en )
1958-01-21
Switch for alternating current
BE585926A
(en )
1960-04-19
Receiver device for alternating current electrical track circuits.
FR1244143A
(en )
1960-10-21
Receiver device for alternating current track electrical circuits
FR1245906A
(en )
1960-11-10
Current limiting circuit
FR1369400A
(en )
1964-08-14
Semiconductor current rectifier device for electrical machines
BE608311A
(en )
1962-01-14
Device for coupling or decoupling electric current conductors
FR1202020A
(en )
1960-01-07
Switching device for alternating current
BE596360Q
(en )
1961-02-15
Selective device for reducing the intensity of an alternating current.
FR1272968A
(en )
1961-10-06
Control circuits for alternating current
FR1272267A
(en )
1961-09-22
Vacuum switch for alternating current circuit
BE598612A
(en )
1961-06-28
Circuit comprising an alternating current source.
FR1233978A
(en )
1960-10-13
Switch for alternating current
FR1208829A
(en )
1960-02-25
Control device for alternating current electric circuit
FR1270364A
(en )
1961-08-25
Vacuum switch for alternating current
FR1150262A
(en )
1958-01-09
Electrical switching device for direct or alternating current
FR1112027A
(en )
1956-03-07
Advanced device for paralleling two alternating current sources
FR1103838A
(en )
1955-11-07
Contact current rectifier
FR1144778A
(en )
1957-10-17
Contact device for mechanical current converters
CH323448A
(en )
1957-07-31
Current limiting device
BE586980A
(en )
1960-05-16
Constant current charging circuit.
FR1355276A
(en )
1964-03-13
Contactless switch for alternating current
FR1132223A
(en )
1957-03-06
Protection device for contact current rectifiers