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Variable reactance inductor with adjustable ranges
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(enrdf_load_html_response )
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高圧安定化回路
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회로 차단기
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Modulation installation for sector supply of charge elements
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System for reducing contact arcing in synchronous switching apparatus
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Autotransformer voltage regulator
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Electronic trigger method and circuit
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Apparatus for electric voltage and current regulation
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Improvements relating to electric switches for alternating current
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Anordnung zum Anschalten von Transformatoren, insbesondere leerlaufenden Transformatoren, an eine Wechselspannungsquelle
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БЕСКОНТАКТНОЕ ПРОМЕЖУТОЧНОЕ РЕЛЕEGZCGIQCHAI^ пл7:;1т;;з -^ т:::::;ч^г:;;пBiijAljDi^KA
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1919-05-13
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1920-06-15
Arc-welding system
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1939-05-16
Electric circuit
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1939-05-23
Controller for circuit interrupters
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電源装置
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The application of high-voltage steel-tank mercury-arc rectifiers to broadcast transmitters
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Welding system