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发明名称
Method for creating a polished bore receptacle
摘要
申请公布号
GB2396638(A)
申请公布日期
2004.06.30
申请号
GB20040004733
申请日期
2002.09.06
申请人
* WEATHERFORD/LAMB INC.
发明人
ROBERT JOE * COON
分类号
E21B33/10;E21B43/10;(IPC1-7):E21B43/10
主分类号
E21B33/10
代理机构
代理人
主权项
地址
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