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发明名称
Fremgangsmåte og anordning for utförelse av boreoperasjoner
摘要
申请公布号
NO20031168(D0)
申请公布日期
2003.03.13
申请号
NO20030001168
申请日期
2003.03.13
申请人
OCEAN RISER SYSTEMS AS
发明人
FOSSLI, BOERRE
分类号
E21B7/12;E21B7/20;E21B21/00;E21B21/08;(IPC1-7):E21B
主分类号
E21B7/12
代理机构
代理人
主权项
地址
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