Gas lift valve assembly within a passageway,申请号GB20090011237-传众专利搜索

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发明名称	Gas lift valve assembly within a passageway
摘要
申请公布号	GB2458594(A)	申请公布日期	2009.09.30
申请号	GB20090011237	申请日期	2007.02.22
申请人	SCHLUMBERGER HOLDINGS LIMITED	发明人	TYSON R MESSICK;THOMAS R WHITE;KENNETH C BURNETT III
分类号	E21B43/12;E21B34/06	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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