Wellhead plug system,申请号GB20020020590-传众专利搜索

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发明名称	Wellhead plug system
摘要
申请公布号	GB2379467(A)	申请公布日期	2003.03.12
申请号	GB20020020590	申请日期	2002.09.04
申请人	* HALLIBURTON ENERGY SERVICES, INC.	发明人	JAMES D * VICK
分类号	E21B23/02;E21B33/03;(IPC1-7):E21B33/129;E21B23/01	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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