CH325537A
(en )
1957-11-15
Device for electric arc welding using auxiliary magnetic fields and method for operating the device
CH223651A
(en )
1942-09-30
Apparatus for influencing nerves and muscles with electrical impulses.
CH219798A
(en )
1942-02-28
Apparatus for influencing nerves and muscles with electrical impulses.
CH214354A
(en )
1941-04-15
Electrical apparatus.
CH304206A
(en )
1954-12-31
Circuit arrangement for an automatic telecommunications system for electrically connecting one circuit with another.
CH374228A
(en )
1963-12-31
Electrical circuit for comparing two coded given numbers
CH318604A
(en )
1957-01-15
Method and device for switching electrical currents
CH123215A
(en )
1927-11-16
Device for operating an electrical switch.
CH301457A
(en )
1954-09-15
Method and device for anodic treatment of at least one object which has electrically conductive surface parts.
AT174214B
(en )
1953-03-10
Process for operating electric ovens with self-baking permanent electrodes
CH288268A
(en )
1953-01-15
Method and device for reducing the formation of deposits on the tubes of water-cooled electric lamps.
CH290618A
(en )
1953-05-15
Device for feeding an electrical power consumer.
CH281556A
(en )
1952-03-15
Method for operating a thermal power plant.
AT172611B
(en )
1952-09-25
Method for operating electric ovens with permanent electrodes
AT168578B
(en )
1951-06-25
Method for operating electric ovens with permanent electrodes
AT168577B
(en )
1951-06-25
Process for operating electric ovens with self-baking permanent electrodes
AT168582B
(en )
1951-06-25
Arrangement for electric ovens with continuous, self-baking electrodes
AT189252B
(en )
1957-03-11
Method and device for attaching connecting pieces, such as cable lugs, to electrical conductors
CH239100A
(en )
1945-09-15
Circuit arrangement for generating a constant current.
CH236124A
(en )
1945-01-15
Method for connecting continuously operating carbon electrodes for electric furnaces.
AT184032B
(en )
1955-12-10
Method and arrangement for electric arc welding
AT169755B
(en )
1951-12-27
Method for insulating cables or electrical lines
AT188887B
(en )
1957-02-25
Procedure for operating central heating
CH255011A
(en )
1948-05-31
Method for the electrical operation of a vehicle.
DK80442C
(en )
1956-01-23
Electroplating device, in particular carbon or graphite electrodes for electric furnaces.