CH379443A
(en )
1964-07-15
Probe for leak detection system
CH384956A
(en )
1965-02-26
Leak indicator
CH380979A
(en )
1964-08-15
Probe for hygrometer
CH385319A
(en )
1964-12-15
Interrupting device for an electrical switch
CH384710A
(en )
1965-02-26
Transistor test circuit
FI32786A
(en )
1962-10-10
Test device for indicating insulation faults in low voltage installations
CH392080A
(en )
1965-05-15
Pneumatic measuring device
CH389103A
(en )
1965-03-15
Semiconductor device for switching purposes
DK94322C
(en )
1962-09-17
Test device for indicating insulation faults in a low-voltage installation.
CH342288A
(en )
1959-11-15
Test device on an electrical apparatus
CA590017A
(en )
1960-01-05
Electrical testing device
CH384711A
(en )
1965-02-26
Testing device for electrical switches
AT216627B
(en )
1961-08-10
Device for adjusting electrical measuring devices
CA579716A
(en )
1959-07-21
Electrical testing device
CH387783A
(en )
1965-02-15
Connection switch for step transformers
CH384687A
(en )
1964-11-30
Monitoring circuit arrangement for high voltage lines
ES82184Y
(en )
1961-02-01
Sphere holding device for electrical measuring devices
CH386492A
(en )
1965-01-15
Monitoring device for checking electrical lines
ES61983Y
(en )
1958-02-16
Connection device for electrical installations
CH411088A
(en )
1966-04-15
Time-controlled current switching device for an electrical heater
CA537930A
(en )
1957-03-12
Electrical measuring apparatus for testing insulation
ES82007Y
(en )
1963-08-16
Device for connections in electrical appliances
FI28244A
(en )
1956-03-10
Device for electrical cables to help find and locate faults
ES71375Y
(en )
1959-10-16
Connection device for grounding in electrical installations
CH386523A
(en )
1965-01-15
Low-voltage switching device for alternating current