PERCUSSION-ROPE DRILLING MACHINE,申请号SU19792725166-传众专利搜索

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发明名称	PERCUSSION-ROPE DRILLING MACHINE
摘要
申请公布号	SU857490(A1)	申请公布日期	1981.08.23
申请号	SU19792725166	申请日期	1979.02.15
申请人	GEJ BORIS A,SU	发明人	GEJ BORIS A,SU
分类号	E21D1/06;(IPC1-7):E21D1/06	主分类号	E21D1/06
代理机构		代理人
主权项
地址

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