发明名称 METHOD FOR DEVELOPMENT OF COAL BEDS
摘要 Method for development of coal beds includes implementation of mine workings, drilling from one of those main well in bed of prepared stem at direct motion, its reboring to total capacity at back motion, filling rebored well. Filling of rebored well is performed after its reboring to total capacity at back motion and with feeding filling material by hollow auger standpipe.
申请公布号 UA69962(C2) 申请公布日期 2007.06.25
申请号 UA20031211830 申请日期 2003.12.18
申请人 NATIONAL MINING UNIVERSITY 发明人 LUBENETS MYKOLA OLEKSIIOVYCH
分类号 E21C41/18 主分类号 E21C41/18
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