Outil de perforation de roches,申请号FR19590806205-传众专利搜索

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发明名称	Outil de perforation de roches
摘要
申请公布号	FR1236810(A)	申请公布日期	1960.07.22
申请号	FR19590806205	申请日期	1959.09.28
申请人		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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