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发明名称
RISER TENSIONING ARRANGEMENT
摘要
申请公布号
EP1381751(A1)
申请公布日期
2004.01.21
申请号
EP20020717223
申请日期
2002.04.23
申请人
NATIONAL OILWELL NORWAY AS
发明人
GJEDEBO, JON, GRUDE
分类号
E21B19/00;(IPC1-7):E21B19/09
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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