Drill bit for percussive drilling,申请号EP20040003494-传众专利搜索

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发明名称	Drill bit for percussive drilling
摘要
申请公布号	EP1418309(A3)	申请公布日期	2009.06.17
申请号	EP20040003494	申请日期	2000.02.11
申请人	HALCO DRILLING INTERNATIONAL LIMITED	发明人	FALVEY, ALISTAIR MICHAEL;GARTSIDE, JOHN WILLOUGHBY
分类号	E21B7/04;E21B7/08;E21B10/36;E21B17/02;E21B17/046	主分类号	E21B7/04
代理机构		代理人
主权项
地址

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