Drill bit with eccentric body,申请号AU20010017016-传众专利搜索

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发明名称	Drill bit with eccentric body
摘要
申请公布号	AU766185(B2)	申请公布日期	2003.10.09
申请号	AU20010017016	申请日期	2000.11.13
申请人	SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.	发明人	MICHAEL JOHN BETTS;TIMOTHY WILLIAM RHYS HARRIS;NEIL ANDREW ABERCROMBIE SIMPSON
分类号	E21B10/08;E21B10/26;E21B10/62;(IPC1-7):E21B10/26	主分类号	E21B10/08
代理机构		代理人
主权项
地址

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