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METHOD OF LOCALISING DUST AND GAS EXPLOSIONS IN MINE WORKINGS
METHOD OF LOCALISING DUST AND GAS EXPLOSIONS IN MINE WORKINGS
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机译:在矿井工作中定位粉尘和气体爆炸的方法
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摘要
the invention относитс of mountain промьгашенности and m. b. used in coal and shale mines.the purpose is to improve the effectiveness of изобретени плам гашени and exception need periodic replaceme
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