Downhole valve having incrementally adjustable open positions and a quick close feature,申请号GB20100002871-传众专利搜索

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发明名称	Downhole valve having incrementally adjustable open positions and a quick close feature
摘要
申请公布号	GB2466396(B)	申请公布日期	2012.02.22
申请号	GB20100002871	申请日期	2008.07.31
申请人	SCHLUMBERGER HOLDINGS LIMITED	发明人	LAURE MANDROU
分类号	E21B34/10	主分类号	E21B34/10
代理机构		代理人
主权项
地址

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