|
DE430174C
|
|
Electric starter
|
|
DE386701C
|
|
Mercury switch operated by electrical heating
|
|
DE383687C
|
|
Mercury switch operated by electrical heating
|
|
GB174617A
|
|
Improvements in automatic electric fuse switches
|
|
DE390046C
|
|
Terminal locking screw plugs
|
|
DE370035C
|
|
Fuse plug, in which the contact pieces are usually held in contact with one another by a locking bar made of different substances in the circuit
|
|
DE377833C
|
|
Lever switch that can be switched off automatically
|
|
DE334891C
|
|
Permanent safety plug
|
|
DE355398C
|
|
Device for the use of safety screw plugs for safety devices with central contact bolts
|
