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发明名称
Brönnramme
摘要
申请公布号
NO962421(D0)
申请公布日期
1996.06.07
申请号
NO19960002421
申请日期
1996.06.07
申请人
KVAERNER ENERGY AS
发明人
HELSING, PAAL;MOEGEDAL, KNUT
分类号
E21B;(IPC1-7):E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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