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发明名称
Shoe
摘要
申请公布号
GB2369633(B)
申请公布日期
2004.06.23
申请号
GB20010027999
申请日期
2001.11.22
申请人
* WEATHERFORD/LAMB, INC.;* WEATHERFORD/LAMB INC.
发明人
PETER JOHN * BAKER
分类号
E21B17/14;(IPC1-7):E21B17/14;E21B7/20
主分类号
E21B17/14
代理机构
代理人
主权项
地址
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