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1962-03-06
Linear rate generator
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1992-10-27
Indicateur de position a induction
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1945-07-10
Telemetering system and apparatus
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1942-12-01
Seismometer
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1977-06-14
Magnetic damping system for induction watthour meters
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1962-06-26
Electromagnetic measuring coil
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Linear motor system
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1950-09-26
Frequency meter
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(zh )
2013-01-02
一种高速双向永磁复位比例电磁铁
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1981-03-03
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1978-06-14
Electrodynamic force measuring apparatus
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1964-08-25
Saturable magnetic device with elliptical core
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1955-05-17
Instrument damping system
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1973-01-17
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1984-11-26
磁気制動システム
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1960-02-10
Transducer for measuring pressure or differential pressure
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(en )
1931-11-24
Electromechanical translating device
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1959-03-24
Magnetic assembly
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1958-08-27
Electro-magnetic apparatus for the determination of mechanical stresses or movements
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1983-07-02
積算電力計用磁気制動装置
Nurmia
1960
Some Inexpensive Seismometer Designs
SU648849A1
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1979-02-25
Низкочастотный виброметр