|
GB472924A
|
|
Improvements in, or relating to, electric switches of the push-button type
|
|
GB474919A
|
|
Improvements in, or relating to, snap-action electrical switches
|
|
GB474920A
|
|
Improvements in, or relating to, snap-action electric switches
|
|
GB468235A
|
|
Devices for momentarily interrupting electric circuits
|
|
GB459807A
|
|
Improvements in or relating to overload circuit breakers
|
|
GB461090A
|
|
Improvements in, or relating to, the contact systems of electric switches
|
|
GB459944A
|
|
Improvements in, or relating to, electro-magnetically operated electric switches
|
|
DE626643C
|
|
Electromagnetic remote operated switch
|
|
GB452598A
|
|
Improvements in, or relating to, magnetically operated electric switches
|
|
GB447791A
|
|
Improvements in electromagnetic releasing devices for use in automatic circuit-breakers and like electric switches
|
|
GB452283A
|
|
Improvements in or relating to electric switches of the push-operated type
|
|
GB450362A
|
|
Improvements in, or relating to, protective devices for consumers' electrical apparatus
|
|
GB450178A
|
|
Improvements in, or relating to, lightning arresters
|
|
GB447342A
|
|
Improvements in or relating to testing devices for leakage current coils
|
|
GB447688A
|
|
Improvements in or relating to electric circuit breakers of the push-operated type
|
|
GB439655A
|
|
Improvements in, or relating to, combined "on" or "off" indicator and overload protective systems for electric switchgear
|
|
DE626423C
|
|
Free release enabling drive and locking device for automatic switch
|
|
GB438477A
|
|
Improvements in, or relating to, electrical distribution boxes and the like
|
|
GB441786A
|
|
Improvements in or relating to lightning arresters
|
|
GB428658A
|
|
Improvements in, or relating to, electric circuit-breaker systems
|
