Internal riser rotating control head,申请号AU20100257346-传众专利搜索

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发明名称	Internal riser rotating control head
摘要
申请公布号	AU2010257346(B2)	申请公布日期	2013.04.04
申请号	AU20100257346	申请日期	2010.12.21
申请人	WEATHERFORD/LAMB, INC.	发明人	BOURGOYNE, DARRYL A.;HANNEGAN, DON M.;BAILEY, THOMAS F.;CHAMBERS, JAMES W.;WILSON, TIMOTHY L.
分类号	E21B21/00;E21B21/08;E21B33/08	主分类号	E21B21/00
代理机构		代理人
主权项
地址

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