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SPARK-PROOF POWER SUPPLY SOURCE FOR CONTROL CIRCUITS OF MINING MACHINES
SPARK-PROOF POWER SUPPLY SOURCE FOR CONTROL CIRCUITS OF MINING MACHINES
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机译:采矿机控制电路的防火花电源
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摘要
йскробезопасвый source питашш for chain management горнык machines containing a transformer, a switching element is consistently among the вторичн oh coils transformer and loadвыпр митель included in
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