|
US3059075A
(en)
|
|
Electrical switching device
|
|
US1648956A
(en)
|
|
Electric game
|
|
GB542608A
(en)
|
|
Improvements in or relating to magnetisable record cards and statistical machines for use therewith
|
|
SE129171C1
(cs)
|
|
|
|
US2816254A
(en)
|
|
Magnetic keyboard
|
|
US2526685A
(en)
|
|
Polarized electromagnetic relay
|
|
US3027499A
(en)
|
|
Electromagnetic system
|
|
GB517000A
(en)
|
|
Improvements relating to electromagnetic relays
|
|
US5241288A
(en)
|
|
Electromagnetic selector equipped with a plurality of selection positions
|
|
DE446234C
(de)
|
|
UEberstromschnellschalter mit Haltemagnet
|
|
US2892055A
(en)
|
|
Polarized magnetic system for relays
|
|
US3525022A
(en)
|
|
Magnetic memory switch
|
|
JPS58174987A
(ja)
|
|
ディスプレイ装置
|
|
GB708133A
(en)
|
|
Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material
|
|
GB379369A
(en)
|
|
Improvements in or relating to electro-magnetic devices
|
|
DE594262C
(de)
|
|
Schaltapparat mit magnetischer Funkenloeschung
|
|
US2930889A
(en)
|
|
Magnetic signalling system for railways
|
|
SE202372C1
(cs)
|
|
|
|
US3153227A
(en)
|
|
Display device having magnetically controlled plural indicia plates
|
|
SU51724A1
(ru)
|
|
Намагничивающий аппарат
|
|
US2276537A
(en)
|
|
Electric switch
|
|
US2435001A
(en)
|
|
Polarized electromagnetic relay
|
|
US1763172A
(en)
|
|
Electro-polarized relay
|
|
SU141539A1
(ru)
|
|
Индуктор дл электродвигателей
|
|
US1683450A
(en)
|
|
Electromagnetic kgvice |