US2628319A
(en )
1953-02-10
Electric hammer
CA2011300A1
(en )
1990-09-02
Direct current dynamoelectric machines utilizing high strength permanent magnets
US2561355A
(en )
1951-07-24
Electric signal device
GB1328760A
(en )
1973-09-05
Stator for a permanent magnet dynamo electric machine including magnet retaining means
US2473353A
(en )
1949-06-14
High-frequency vibrator mechanism
ES432833A1
(es )
1976-11-01
Perfeccionamientos introducidos en un motor electrico.
GB755715A
(de )
US2459510A
(en )
1949-01-18
Alternating current solenoid reciprocating motor unit
WO1997014165A3
(de )
1997-10-30
Magnetdämpfungsanordnung
GB498855A
(en )
1939-01-16
Improvements relating to electrical relays
GB619546A
(en )
1949-03-10
Improvements relating to polarized electric relays and like magnetic devices
US2327395A
(en )
1943-08-24
Electromagnetic device
GB257094A
(de )
GB724978A
(en )
1955-02-23
Polarised electromagnetic driving system
GB1487198A
(en )
1977-09-28
Magneto-motive reciprocating devices
US2040448A
(en )
1936-05-12
Electric generating system
US1124401A
(en )
1915-01-12
Telephone-receiver.
GB191110758A
(en )
1912-02-08
Improvements in Dynamo Electric Machines.
GB112983A
(en )
1918-02-01
Improvements in and relating to Electromagnetic Switches.
GB640925A
(en )
1950-08-02
Magneto
GB971540A
(en )
1964-09-30
Improvements in electrical pulse generators
CN1058493A
(zh )
1992-02-05
电磁感应激振器
GB834995A
(en )
1960-05-18
Improvements in and relating to magneto bells
JPS5738164A
(en )
1982-03-02
Impact dot printing head
GB1021270A
(en )
1966-03-02
Improvements in d.c. motors for clocks