AT98620B
(en )
1924-11-25
Step switching for electrical systems with at least two power consumption circuits connected in parallel.
CH204612A
(en )
1939-05-15
Contact arrangement for electrical switches, especially with flowing extinguishing agent.
CH100792A
(en )
1923-08-16
Disconnection contact device on electrical switches.
FR594536A
(en )
1925-09-14
Improvement in current conducting wipers
AT108640B
(en )
1928-01-25
Installation circuit breaker with several break points.
ES81568A1
(en )
1922-09-16
Improvements in electrical current switches.
ES86401A1
(en )
1923-11-01
Improvements in electrical circuit breakers.
CH89323A
(en )
1921-05-16
Pull switches, in particular for electric light lines.
AT94894B
(en )
1923-11-10
Lockable fuse for electrical lines.
ES87251A1
(en )
1923-12-16
Improvements in electrical switches.
ES81731A1
(en )
1922-10-16
Improvements in electrical telegraphy.
ES79272A1
(en )
1921-11-16
Improvements in incandescent electrical devices.
ES79222A1
(en )
1921-11-16
Improvements in electrical switching mechanisms.
FR584357A
(en )
1925-02-06
Improvements in electrical circuit breakers
AT89313B
(en )
1922-09-11
Switching arrangement for drives with two alternating current motors in series.
ES79434A1
(en )
1922-01-01
Improvements in electrical switches.
DK33764C
(en )
1924-10-20
Electrical Switch.
DK31486C
(en )
1923-03-26
Electrical Switch.
ES79179A1
(en )
1921-11-01
Improvements in electrical switching mechanisms.
ES79371A1
(en )
1921-12-01
Improvements in electrical switching mechanisms.
DK33631C
(en )
1924-09-08
Electric Time Circuit Breaker.
AU542522A
(en )
1922-05-30
Improvements in or connected with electrical condensers
ES82232A2
(en )
1923-01-01
Improvements in electrical insulators.
CH145592A
(en )
1931-02-28
Step switching device for electrical systems.
CH167617A
(en )
1934-02-28
Molding compound, in particular for electrical insulating materials.