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GB619474A
|
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Improvements in or relating to electrical switching devices suitable for tapping transformers
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GB614651A
|
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Improvements in or relating to electrical switching devices having overload release
|
|
GB612886A
|
|
Improvements in or relating to electric arc welding systems
|
|
GB609938A
|
|
Improvements in or relating to automatic electrical circuit breakers
|
|
GB616286A
|
|
Improvements in or relating to electrical voltage regulating arrangements
|
|
GB616704A
|
|
Improvements in or relating to electrical arrangements for producing variable voltages
|
|
GB607347A
|
|
Improvements in or relating to tap-changing transformers
|
|
GB591387A
|
|
Improvements in electric transformers
|
|
GB588644A
|
|
Improvements in variable inductors
|
|
GB599136A
|
|
Improvements in or relating to automatic d.c. voltage control systems
|
|
GB586621A
|
|
Improvements in electric transformers
|
|
GB592003A
|
|
Improvements in electric transformers
|
|
GB573283A
|
|
Improvements in electric transformers
|
|
GB563909A
|
|
Improvements in or relating to electrical connectors and couplings for electric conductors
|
|
GB561406A
|
|
Improvements in or relating to contacts for electrical switches, fuses, fuse switches, cut-outs, circuit breakers and the like
|
|
GB561278A
|
|
Improvements in or relating to electrical fuse switches, combined switch fuses, distribution fuses, cut-outs, and the like
|
|
GB560272A
|
|
Improvements in or relating to electrical switches, fuse switches or combined switchfuses of the enclosed type
|
|
GB559437A
|
|
An improved snap-action mechanical device applicable to electric switches
|
|
GB560066A
|
|
Improvements in contact arrangements in electric switches
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GB554207A
|
|
Improvements in snap action electrical switches
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