发明名称 METHOD FOR EXPLOITATION OF GENTLY SLOPING STRATA WITH CONTROLLING ROOF ON CONTINUOUS SOLIDS WITH VARYING PLIABILITY
摘要 FIELD: mining. SUBSTANCE: method for exploitation of strata with controlling roof on continuous solids of varying pliability includes driving development working and one-stage ore extraction through cleaning breasts, ore is extracted through alternate wide and narrow breasts. EFFECT: higher productivity.
申请公布号 RU94026837(A) 申请公布日期 1996.06.10
申请号 RU19940026837 申请日期 1994.07.18
申请人 AKTSIONERNOE OBSHCHESTVO "URALKALIJ" 发明人 PAPULOV L.M.;ARTEMOV V.G.;CHELPANOVA E.V.
分类号 E21C41/00 主分类号 E21C41/00
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