METHOD OF INSULATING MINE WORKING,申请号SU19884461118-传众专利搜索

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发明名称	METHOD OF INSULATING MINE WORKING
摘要
申请公布号	SU1571272(A1)	申请公布日期	1990.06.15
申请号	SU19884461118	申请日期	1988.07.15
申请人	VOSTOCHNOE OTDEL VNII GORNOSPASATELNOGO DELA	发明人	CHUPRIKOV ALEKSEJ E,SU;EVSEEVA NATALYA A,SU
分类号	E21F1/14;E21F5/00	主分类号	E21F1/14
代理机构		代理人
主权项
地址

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