CH383448A
(en )
1964-10-31
Selection facility
FR1272438A
(en )
1961-09-22
Automatic circuit breaker
CH402959A
(en )
1965-11-30
Switching network for an electronic switching device
CH384710A
(en )
1965-02-26
Transistor test circuit
DK94322C
(en )
1962-09-17
Test device for indicating insulation faults in a low-voltage installation.
CH392922A
(en )
1965-05-31
Two-eyed viewing device for viewing an original
AT199386B
(en )
1958-08-25
Testing device
FI32786A
(en )
1962-10-10
Test device for indicating insulation faults in low voltage installations
CH381754A
(en )
1964-09-15
Circuit breaker with control device for its operation
CH387783A
(en )
1965-02-15
Connection switch for step transformers
CA590017A
(en )
1960-01-05
Electrical testing device
CH360563A
(en )
1962-02-28
Actuating device for shut-off devices
ES61983Y
(en )
1958-02-16
Connection device for electrical installations
AT226024B
(en )
1963-02-25
Actuating device for shut-off devices
AT218544B
(en )
1961-12-11
Quick locking device for multi-casing turbines
CH375427A
(en )
1964-02-29
Overload protection for electrical systems with high overload sensitivity
DK91061C
(en )
1961-06-12
Filter for installation in pipelines.
DK111396B
(en )
1968-08-12
Electric measuring device for measuring resistance variations in a moisture-sensitive resistance element.
AT216627B
(en )
1961-08-10
Device for adjusting electrical measuring devices
AT213791B
(en )
1961-02-27
Bracing device for temporary installation in pipelines
FR1196351A
(en )
1959-11-24
Automatic circuit breaker
ES75150Y
(en )
1961-01-16
Branch unit for outdoor electrical installations
AU234945B2
(en )
1960-06-30
Insulation tester for low-tension installations
AT196471B
(en )
1958-03-25
Electrical installation device
FR1286658A
(en )
1962-03-09
Automatic fault detection system