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发明名称
PLUG AND PLUG SET FOR USE IN WELLBORE
摘要
申请公布号
EP1114239(A2)
申请公布日期
2001.07.11
申请号
EP19990946310
申请日期
1999.09.10
申请人
WEATHERFORD/LAMB INC.;HARDING, RICHARD PATRICK
发明人
BUDDE, PETER
分类号
E21B33/16;(IPC1-7):E21B33/16
主分类号
E21B33/16
代理机构
代理人
主权项
地址
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