Double-acting reciprocating downhole pump,申请号GB20030028590-传众专利搜索

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发明名称	Double-acting reciprocating downhole pump
摘要
申请公布号	GB0328590(D0)	申请公布日期	2004.01.14
申请号	GB20030028590	申请日期	2002.06.13
申请人	WEATHERFORD/LAMB INC	发明人
分类号	F04B5/02;F04B11/00;F04B17/04;F04B47/02;F04B47/06;F04B47/14	主分类号	F04B5/02
代理机构		代理人
主权项
地址

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