ORE PROTECTING ANCHOR-ROD LINING FOR UNDERGROUND ORE CHUTES,申请号SU19782691213-传众专利搜索

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发明名称	ORE PROTECTING ANCHOR-ROD LINING FOR UNDERGROUND ORE CHUTES
摘要
申请公布号	SU757740(A1)	申请公布日期	1980.08.23
申请号	SU19782691213	申请日期	1978.11.01
申请人	GUMENNIKOV EVGENIJ S,SU	发明人	GUMENNIKOV EVGENIJ S,SU
分类号	E21F13/04;(IPC1-7):E21F13/04	主分类号	E21F13/04
代理机构		代理人
主权项
地址

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