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METHOD OF CONTROLLING THERMAL DUTY OF DEEP MINES AND PITS
METHOD OF CONTROLLING THERMAL DUTY OF DEEP MINES AND PITS
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机译:控制深部矿山和矿井热负荷的方法
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摘要
the method of heat treatment of deep mines and mines for now. st.no. 1006773, отличающийс so that, with a view to снижени energy costs for heating of air, supplied in winter in the mine by use бро
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