Tubing hanger with ball valve,申请号AU20020347882-传众专利搜索

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发明名称	Tubing hanger with ball valve
摘要
申请公布号	AU2002347882(A1)	申请公布日期	2003.05.12
申请号	AU20020347882	申请日期	2002.10.16
申请人	KVAERNER OILFIELD PRODUCTS, INC.	发明人	DEWEY CRAIG COMPTON;EDWIN R. KNERR
分类号	E21B34/04;(IPC1-7):E21B34/04;E21B33/035	主分类号	E21B34/04
代理机构		代理人
主权项
地址

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