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发明名称
Concentric catenary riser
摘要
申请公布号
GB9914868(D0)
申请公布日期
1999.08.25
申请号
GB19990014868
申请日期
1999.06.25
申请人
2H OFFSHORE ENGINEERING LIMITED
发明人
分类号
E21B17/01;E21B43/01;E21B43/12
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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