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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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