CH313456A
(en )
1956-04-15
Object made of inorganic, insulating, heat-resistant material with an electrically conductive layer
CH315475A
(en )
1956-08-15
Electrical conductor arrangement
AT181931B
(en )
1955-05-10
Objects made of inorganic, insulating, heat-resistant material with an electrically conductive layer
FR1097503A
(en )
1955-07-06
Electrically conductive coating
FR1068376A
(en )
1954-06-24
electrical circuit element
FR1043052A
(en )
1953-11-05
Electrically conductive film layer
SU72830A2
(en )
1947-11-30
Electrical conductor
CH318306A
(en )
1956-12-31
Rotary switch with insulating parts made of ceramic material
CH305844A
(en )
1955-03-15
Electrical rotary switch with an uneven number of switch positions.
AT180958B
(en )
1955-02-10
Electric circuit with a semiconductor element
FR1038795A
(en )
1953-10-01
Electrical resistance
DK76123C
(en )
1953-07-20
Method for producing insulating layers on electrically conductive bodies.
AT178964B
(en )
1954-07-10
Electrostatic machine with transmission elements made of insulating material
FR1046293A
(en )
1953-12-04
Electrical resistance
AT175932B
(en )
1953-08-25
Electrical system with busbars
FR1041708A
(en )
1953-10-26
Advanced electrical switch
CH322685A
(en )
1957-06-30
Electrical circuit
NL166569B
(en )
ADJUSTABLE ELECTRICAL RESISTANCE.
BE509021A
(en )
1953-07-17
ELECTRICAL INSULATOR.
DE1635126U
(en )
1952-02-28
NON-REMOVABLE MAINS PLUG FOR ELECTRICAL DEVICES MADE OF PLASTIC.
AT173569B
(en )
1953-01-10
Thermal fuse for electrically heated devices
FR1066341A
(en )
1954-06-03
Electrical resistance
ES27739Y
(en )
1952-01-01
Enhanced coating for electrical conductors
FR1045511A
(en )
1953-11-26
electrical circuit element
FR1043838A
(en )
1953-11-12
Electrical writer