METHOD OF AIRING THE BLIND ENDS OF SHAFTS BEING DEEPENED FROM WORKING LEVELS, WHEN INTERSECTING EXPLOSION-HAZARDOUS BEDS von NIKULUSHKIN NIKOLAJ G,SU, KESAR ANATOLIJ P,SU, KHORUNZHIJ YURIJ T,SU, SHEVELEV GARRIJ A,SU, FARBA PETR V,SU, BOLSHINSKIJ MATVEJ I,SU, RUBAN MARK E,SU, TEJTEL VADIM I,SU, BEREZIN GENNADIJ N,SU

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