Outil de forage,申请号CH19600009451-传众专利搜索

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发明名称	Outil de forage
摘要
申请公布号	CH367139(A)	申请公布日期	1963.02.15
申请号	CH19600009451	申请日期	1960.08.18
申请人	DIAMANT BOART SOCIETE ANONYME	发明人	MALBECQ,VICTOR
分类号	E21B10/54	主分类号	E21B10/54
代理机构		代理人
主权项
地址

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