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(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
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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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Autotransformer voltage regulator
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1952-12-02
Apparatus for electric voltage and current regulation
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Safety lighting means for use with a high intensity discharge lamp
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1979-06-21
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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1994-01-14
回路遮断器
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1920-06-15
Arc-welding system
GB532429A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
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1939-05-16
Electric circuit
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1939-05-23
Controller for circuit interrupters
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1996-08-21
電源装置
Bevan
1945
The application of high-voltage steel-tank mercury-arc rectifiers to broadcast transmitters
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1920-06-15
Welding system
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1938-05-23
Improvements in and relating to high-speed electric circuit-closing mechanism
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1991-05-07
Способ компенсации однофазного тока замыкани на землю