Automatic downhole pump assembly and method for use of the same,申请号EP19970303528-传众专利搜索

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法人/股东/高管

发明名称	Automatic downhole pump assembly and method for use of the same
摘要
申请公布号	EP0811748(B1)	申请公布日期	2003.10.08
申请号	EP19970303528	申请日期	1997.05.23
申请人	HALLIBURTON ENERGY SERVICES, INC.	发明人	SKINNER, NEAL G.;RINGGENBERG, PAUL D.
分类号	E21B34/06;E21B43/12;E21B49/08;F04B47/08;(IPC1-7):E21B43/12	主分类号	E21B34/06
代理机构		代理人
主权项
地址

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