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SYSTEM FOR AUTOMATIC CONTROLLING OF LOCAL AIRING MINE FANS
SYSTEM FOR AUTOMATIC CONTROLLING OF LOCAL AIRING MINE FANS
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机译:地方煤矿通风口自动控制系统
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摘要
the invention относитс to mine and to improve the reliability of вентил ции позвол ет ироветривани нодземных bad mines. сиете.ma has a number of вентил торов p blocks управлени (boo) 1 - 3, the лин
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