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发明名称
DRILLING- OR SERVICE RIG
摘要
申请公布号
EP1869281(A1)
申请公布日期
2007.12.26
申请号
EP20060716784
申请日期
2006.03.31
申请人
FOSSBAKKEN, AKSEL
发明人
SANGEDAL, JAN, OEYVIND
分类号
E21B15/00;E21B;E21B7/02;E21B15/04;E21B19/086
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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