Electric wireline insert safety valve,申请号GB20110001638-传众专利搜索

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发明名称	Electric wireline insert safety valve
摘要
申请公布号	GB2474189(B)	申请公布日期	2012.05.02
申请号	GB20110001638	申请日期	2009.07.15
申请人	BAKER HUGHES INCORPORATED	发明人	GARY B LAKE;RICHARD PATTERSON;THAD D ANDREWS
分类号	E21B34/06;E21B34/00	主分类号	E21B34/06
代理机构		代理人
主权项
地址

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