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发明名称
Coupling apparatus
摘要
申请公布号
EP2273059(B1)
申请公布日期
2012.02.15
申请号
EP20100178832
申请日期
2001.10.16
申请人
WEATHERFORD LAMB, INC.
发明人
NIVEN, DAVID;FERNANDES, DENIS ROBERT MARIO
分类号
E21B19/06;E21B17/02;E21B19/07;E21B19/16;E21B33/05;F16L21/06;F16L37/00
主分类号
E21B19/06
代理机构
代理人
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地址
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