METHOD OF DRIVING MINE WORKINGS,申请号SU19874237656-传众专利搜索

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发明名称	METHOD OF DRIVING MINE WORKINGS
摘要
申请公布号	SU1465585(A1)	申请公布日期	1989.03.15
申请号	SU19874237656	申请日期	1987.03.18
申请人	INST GORNOGO DELA IM.A.A.SKOCHINSKOGO	发明人	ZOLOTAREV GRIGORIJ M,SU;KOROVKIN YURIJ A,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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