METHOD OF SECURING MINE WORKINGS,申请号SU19884406449-传众专利搜索

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发明名称	METHOD OF SECURING MINE WORKINGS
摘要
申请公布号	SU1580013(A1)	申请公布日期	1990.07.23
申请号	SU19884406449	申请日期	1988.04.07
申请人	VNII GORNOJ GEOMEKHANIKI MARK	发明人	AMUSIN BORIS Z,SU;SHIK VLADIMIR M,SU
分类号	E21D11/00	主分类号	E21D11/00
代理机构		代理人
主权项
地址

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