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发明名称
Method and apparatus for retrieving a rotary pump from a wellbore
摘要
申请公布号
EP0854266(A3)
申请公布日期
1999.04.28
申请号
EP19970305113
申请日期
1997.07.10
申请人
CAMCO INTERNATIONAL INC.
发明人
MANN, JAY S.
分类号
E21B23/02;E21B43/12;(IPC1-7):E21B23/02
主分类号
E21B23/02
代理机构
代理人
主权项
地址
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