CH385290A
(en )
1964-12-15
Electrical circuit with a diode with negative resistance
CH346926A
(en )
1960-06-15
Electrical circuit breaker with parallel branches
FR1158604A
(en )
1958-06-17
Electric battery
AT196017B
(en )
1958-02-25
Sintered electrical resistance with a negative temperature coefficient
CH380807A
(en )
1964-08-15
Ceramic electrical resistance
CH388458A
(en )
1965-02-28
Current controlled semiconductor device with negative resistance
CH390590A
(en )
1965-04-15
Revolution counter with preselection
CH353922A
(en )
1961-04-30
Electrical resistance regulator
ES233293A1
(en )
1957-10-16
Electrical resistor
CH369818A
(en )
1963-06-15
Electrical surge arrester
FR1186732A
(en )
1959-08-31
Electric heater
DK89361C
(en )
1960-07-18
Electrical resistance.
AT196965B
(en )
1958-04-10
Adjustable electrical resistance
CH422956A
(en )
1966-10-31
Electrical resistance
DK98509C
(en )
1964-04-20
Electrical resistance with a fuse element.
FR1172485A
(en )
1959-02-11
Advanced electric accumulators
DK91183C
(en )
1961-06-26
Sintered electrical resistance.
DK104468C
(en )
1966-05-23
Electrical resistance with resistance layer.
DK93365C
(en )
1962-05-07
Electric hob with a temperature limiting element.
CH349670A
(en )
1960-10-31
Changeable resistance
CA522041A
(en )
1956-02-21
Electrical resistance
FR1162235A
(en )
1958-09-10
Improvement in electrical resistances
FR69707E
(en )
1958-11-19
Electric oven
FR1151148A
(en )
1958-01-24
Advanced electrical switch-switch
ES57405Y
(en )
1958-02-16
Improved resistance cord