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1933-09-19
Electromagnetic device
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1978-10-25
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1939-10-25
Improvements in telephone instruments
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1961-04-04
D arsonval-movement assembly
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1959-02-24
Electrical instrument
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1949-03-22
Eccentric moving coil electrical
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1968-04-16
Moving coil instrument with rotary permanent magnets
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1959-05-19
Long scale electrical instrument
KR830000242Y1
(ko )
1983-02-25
가동(可動) 코일용 계기(形計器)
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1957-10-01
lederer
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1960-11-08
Moving-coil electrical instruments
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1970-05-05
Moving magnet instrument adapted for blind assembly
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1951-10-23
Sheetsxsheet i
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1966-10-11
Core magnet measuring movement with spring supported core
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1955-11-29
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1925-03-03
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1891-01-13
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1964-11-03
Iron vane type electrical indicating instrument with magnetic damping means and including fixed vane and coil adjustment means
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1977-04-19
Moving coil type instrument
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1950-04-26
Improvements in or relating to electrical measuring instruments and relays
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1894-05-22
Electric-current indicator
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1893-06-13
Electrical measuring-instrument
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1959-01-27
Magnetic restoring force suspension galvanometer
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1950-02-21
Unitarily mounted electrical measuring instrument
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1933-02-28
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