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经营范围
发明名称
Expandable Wellbore liner
摘要
申请公布号
GB2456722(A)
申请公布日期
2009.07.29
申请号
GB20090009116
申请日期
2007.11.13
申请人
BAKER HUGHES INCORPORATED
发明人
ROBERT S O'BRIEN;EDWARD J O'MALLEY
分类号
E21B43/10;E21B17/10
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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