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经营范围
发明名称
Full bore lined wellbores
摘要
申请公布号
GB0518159(D0)
申请公布日期
2005.10.12
申请号
GB20050018159
申请日期
2004.03.05
申请人
WEATHERFORD/LAMB INC.
发明人
分类号
E21B7/20;E21B10/32;E21B41/00;E21B43/10
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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