US3059075A
(en )
1962-10-16
Electrical switching device
US1648956A
(en )
1927-11-15
Electric game
GB542608A
(en )
1942-01-19
Improvements in or relating to magnetisable record cards and statistical machines for use therewith
SE129171C1
(enExample )
1950-01-01
US2816254A
(en )
1957-12-10
Magnetic keyboard
US2728880A
(en )
1955-12-27
Electrical relays
US5241288A
(en )
1993-08-31
Electromagnetic selector equipped with a plurality of selection positions
US3525022A
(en )
1970-08-18
Magnetic memory switch
JPS58174987A
(ja )
1983-10-14
ディスプレイ装置
GB708133A
(en )
1954-04-28
Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material
GB379369A
(en )
1932-08-29
Improvements in or relating to electro-magnetic devices
DE594262C
(de )
1934-03-14
Schaltapparat mit magnetischer Funkenloeschung
US2930889A
(en )
1960-03-29
Magnetic signalling system for railways
SE202372C1
(enExample )
1965-01-01
US3153227A
(en )
1964-10-13
Display device having magnetically controlled plural indicia plates
SU51724A1
(ru )
1937-11-30
Намагничивающий аппарат
US2435001A
(en )
1948-01-27
Polarized electromagnetic relay
GB424795A
(en )
1935-02-28
Improvements in or relating to electromagnetic relays
US1763172A
(en )
1930-06-10
Electro-polarized relay
AT52695B
(de )
1912-03-11
Signalanlage.
US248089A
(en )
1881-10-11
Telegraph relay and sounder
SU141539A1
(ru )
1960-11-30
Индуктор дл электродвигателей
US1683450A
(en )
1928-09-04
Electromagnetic kgvice
AT80209B
(de )
1920-03-10
Durch Membranschwingungen drehbares Schauzeichen fDurch Membranschwingungen drehbares Schauzeichen für Telegraphen- und Signalanlagen. ür Telegraphen- und Signalanlagen.
US2189178A
(en )
1940-02-06
Electrical relay