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1976-09-21
Automatic cable balancing network
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1949-03-29
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1979-11-13
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1977-03-15
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1940-05-07
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1974-06-04
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Artificial line network
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1967-04-11
Hybrid bridge for applying two mutually isolated sources to a common load, includingmeans to partially shift balancing resistors and load resistances toward bridge center
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1942-07-07
Thermionic tube amplifier
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高周波電力分配器