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发明名称
Alternate-path well screen with protective shroud
摘要
申请公布号
GB9717772(D0)
申请公布日期
1997.10.29
申请号
GB19970017772
申请日期
1997.08.21
申请人
MOBIL OIL CORPORATION
发明人
分类号
E21B43/04;E21B43/08
主分类号
E21B43/04
代理机构
代理人
主权项
地址
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