CH167617A
(en )
1934-02-28
Molding compound, in particular for electrical insulating materials.
CH204612A
(en )
1939-05-15
Contact arrangement for electrical switches, especially with flowing extinguishing agent.
CH157790A
(en )
1932-10-15
Exchange for electrical telecommunication connections.
AT144717B
(en )
1936-02-25
Compressed air drives, in particular for electric switches.
FR756993A
(en )
1933-12-18
Electrical switches
CH202639A
(en )
1939-01-31
Electrical switch, especially for high voltage.
AT136630B
(en )
1934-02-26
Control device, in particular for electrical machines.
AT131961B
(en )
1933-02-25
Toggle switch.
DK46492C
(en )
1932-11-21
Electrical Switch.
DK46316C
(en )
1932-10-10
Electrical Switch.
CH206827A
(en )
1939-08-31
Electrical switchgear.
DK47844C
(en )
1933-10-09
Electrical Switch.
DK49672C
(en )
1934-12-17
Electrical Step Contact.
AT156094B
(en )
1939-05-10
Motor-driven switching mechanism, in particular for electric traction vehicles.
ES98548A1
(en )
1926-09-16
Improvements in electrical terminals, with the corresponding methods for their manufacture.
DK51774C
(en )
1936-06-22
Method for Manufacturing High Frequency Lead Conductors, In particular for High Frequency Cables.
DK51136C
(en )
1936-01-13
Bead insulation for electrical Conductors.
AT136693B
(en )
1934-02-26
Electric point machine.
CH203349A
(en )
1939-02-28
Single-phase transformer group, especially for electric traction vehicles.
DK46024C
(en )
1932-08-08
Electrical Contact, especially for Starters in Automobiles.
DK48403C
(en )
1934-02-19
High voltage insulator.
CH171607A
(en )
1934-08-31
Motor drive, in particular for electric switch signal boxes.
GR38B
(en )
1921-03-24
PERFECTIONS IN THE INSULATOR BY ELECTRICAL TRANSMISSION INSTALLATIONS.
ES113298A1
(en )
1929-07-16
Luminous indicator arrangement for electrical armatures, especially switches and the like.
CH145592A
(en )
1931-02-28
Step switching device for electrical systems.