Perforatrice à turbine hydraulique,申请号CH19650012853-传众专利搜索

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发明名称	Perforatrice à turbine hydraulique
摘要
申请公布号	CH424687(A)	申请公布日期	1966.11.30
申请号	CH19650012853	申请日期	1965.09.16
申请人	WHITTLE,FRANK	发明人	WHITTLE,FRANK
分类号	E21B4/02;(IPC1-7):E21B3/12	主分类号	E21B4/02
代理机构		代理人
主权项
地址

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