METHOD OF DRIVING A MINE WORKING,申请号SU19853898680-传众专利搜索

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发明名称	METHOD OF DRIVING A MINE WORKING
摘要
申请公布号	SU1364686(A1)	申请公布日期	1988.01.07
申请号	SU19853898680	申请日期	1985.04.05
申请人	SHTELE VLADIMIR,SU	发明人	SHTELE VLADIMIR I,SU
分类号	E21B7/20;(IPC1-7):E21B7/20	主分类号	E21B7/20
代理机构		代理人
主权项
地址

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