APPARATUS FOR WORKING THE HOLES OF VERTICAL MINE WORKINGS,申请号SU19752195065-传众专利搜索

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发明名称	APPARATUS FOR WORKING THE HOLES OF VERTICAL MINE WORKINGS
摘要
申请公布号	SU791882(A1)	申请公布日期	1980.12.30
申请号	SU19752195065	申请日期	1975.12.03
申请人	GUMENNIKOV EVGENIJ S,SU	发明人	GUMENNIKOV EVGENIJ S,SU
分类号	E21B4/06;E21D1/00;(IPC1-7):E21B4/06	主分类号	E21B4/06
代理机构		代理人
主权项
地址

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