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US3603372A
(en)
|
|
Electrically operated venetian blind
|
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PL46759B1
(Direct)
|
|
|
|
US2295757A
(en)
|
|
Fluorescent lamp socket
|
|
US2204161A
(en)
|
|
Control device
|
|
IE42861L
(en)
|
|
Protection circuit
|
|
ES8700792A1
(es)
|
|
Un circuito excitador por solenoide de corriente continua
|
|
US1578999A
(en)
|
|
Outlet box and plate therefor
|
|
US1562183A
(en)
|
|
Electric switch
|
|
US1453551A
(en)
|
|
Elevator interlocking device
|
|
US1941210A
(en)
|
|
Electric switch
|
|
US1725469A
(en)
|
|
Automatic stop
|
|
US1425762A
(en)
|
|
Elevator-door lock
|
|
US1672675A
(en)
|
|
Safety system for electric elevators
|
|
SU985907A1
(ru)
|
|
Устройство дл управлени электродвигателем
|
|
US2639007A
(en)
|
|
Electrical interlock
|
|
US1055160A
(en)
|
|
Device for sterilizing closet-seats and the like.
|
|
US1833610A
(en)
|
|
Electric feeler mechanism for looms
|
|
US2113696A
(en)
|
|
X-ray installation for short-time exposures
|
|
JPS5629481A
(en)
|
|
Dynamic braking device for induction motor
|
|
PL126052B1
(en)
|
|
Electric locking apparatus
|
|
US2461428A
(en)
|
|
Ignition device for ionic valves
|
|
SU76714A1
(ru)
|
|
Устройство дл автоматического управлени асинхронным двигателем
|
|
SU862306A1
(ru)
|
|
Устройство дл защиты электроустановки от обрыва фаз
|
|
GB282642A
(en)
|
|
Improvements in or relating to automatic electric cut-outs
|
|
SU1562417A2
(ru)
|
|
Устройство дл запирани двери
|