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US3001049A
(en)
|
|
Magnetic latch
|
|
US2992306A
(en)
|
|
Magnetically controlled switching device
|
|
US3059075A
(en)
|
|
Electrical switching device
|
|
CN103560052A
(zh)
|
|
一种用于直动式电磁系统的下置环形永磁磁路
|
|
KR900702553A
(ko)
|
|
릴레이형 전자기 액튜에이터
|
|
GB500472A
(en)
|
|
Improvements in and relating to high speed releasing devices suitable for electric circuit breakers
|
|
SE193086C1
(fr)
|
|
|
|
US1421269A
(en)
|
|
Electromagnet
|
|
GB1207758A
(en)
|
|
Magnetodynamic actuator
|
|
NO137667B
(no)
|
|
Anordning for merking av elektriske ledninger og lignende med liten diameter
|
|
US1429009A
(en)
|
|
Electromagnetic contact device
|
|
US3182226A
(en)
|
|
Reed relay
|
|
US1176421A
(en)
|
|
Magnetic device.
|
|
US773931A
(en)
|
|
Electrically-controlled monogram-sign.
|
|
US2373202A
(en)
|
|
Electric instrument relay
|
|
US2034701A
(en)
|
|
Relay
|
|
US3525022A
(en)
|
|
Magnetic memory switch
|
|
US3533033A
(en)
|
|
Biassed electrical relays
|
|
US306225A
(en)
|
|
Twelfths |
|
US2081019A
(en)
|
|
Electromagnetic relay
|
|
US2383805A
(en)
|
|
Electric switch
|
|
SE179996C1
(fr)
|
|
|
|
US2932007A
(en)
|
|
Matrix storage register
|
|
US1244544A
(en)
|
|
Selector.
|
|
US549209A
(en)
|
|
Electromagnetic switch |