Outil de forage,申请号CHD351926-传众专利搜索

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发明名称	Outil de forage
摘要
申请公布号	CH351926(A)	申请公布日期	1961.02.15
申请号	CHD351926	申请日期	1958.12.05
申请人	DIONISOTTI,JOSEPH	发明人	DIONISOTTI,JOSEPH
分类号	E21B10/58	主分类号	E21B10/58
代理机构		代理人
主权项
地址

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