Perfectionnements aux moyens de contrôle de l'avance des perforatrices,申请号FR19670097190-传众专利搜索

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发明名称	Perfectionnements aux moyens de contrôle de l'avance des perforatrices
摘要
申请公布号	FR1518076(A)	申请公布日期	1968.03.22
申请号	FR19670097190	申请日期	1967.03.02
申请人	ATLAS COPCO AKTIEBOLAG	发明人
分类号	E21B6/08;E21B19/084;E21B44/02	主分类号	E21B6/08
代理机构		代理人
主权项
地址

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