Reclosable valve for well completion systems,申请号GB19990003017-传众专利搜索

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发明名称	Reclosable valve for well completion systems
摘要
申请公布号	GB2334276(A)	申请公布日期	1999.08.18
申请号	GB19990003017	申请日期	1999.02.10
申请人	* SCHLUMBERGER LIMITED	发明人	DINESH R * PATEL
分类号	E21B34/00;E21B34/06;E21B34/10;E21B43/267;(IPC1-7):E21B34/06	主分类号	E21B34/00
代理机构		代理人
主权项
地址

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