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发明名称
Open hole expandable patch
摘要
申请公布号
GB2431679(B)
申请公布日期
2009.12.16
申请号
GB20070002985
申请日期
2007.02.15
申请人
BAKER HUGHES INCORPORATED
发明人
ALAN B EMERSON
分类号
E21B29/10;E21B7/20;E21B43/10
主分类号
E21B29/10
代理机构
代理人
主权项
地址
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