Procédé de forage des trous de mines au fond des puits et installation pour sa mise en oeuvre,申请号FR19630921700-传众专利搜索

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发明名称	Procédé de forage des trous de mines au fond des puits et installation pour sa mise en oeuvre
摘要
申请公布号	FR1373663(A)	申请公布日期	1964.10.02
申请号	FR19630921700	申请日期	1963.01.17
申请人	TSENTRALNY NAOUTCHNO-ISSLEDOVATELSKY INSTITUT PODZEMNOGO CHAKHTNOGO STROITELSTVA	发明人
分类号	E21B7/02	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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