Downhole screen with tubular bypass,申请号GB20000027522-传众专利搜索

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发明名称	Downhole screen with tubular bypass
摘要
申请公布号	GB2361489(A)	申请公布日期	2001.10.24
申请号	GB20000027522	申请日期	2000.11.10
申请人	* BAKER HUGHES INCORPORATED	发明人	BENN A * VOLL;JOHN T * BROOME;ELMER R * PETERSON;BOBBY E * HALL;PERRY D * BAYCROFT
分类号	E21B34/06;E21B43/04;E21B43/08;(IPC1-7):E21B43/04	主分类号	E21B34/06
代理机构		代理人
主权项
地址

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