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经营范围
发明名称
Gas lift valve assembly
摘要
申请公布号
GB2458594(B)
申请公布日期
2010.06.30
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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