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发明名称
FUNDAMENTKONSTRUKSJON ELLER BUNNRAMME FOR UNDERSTOETTELSE OG BESKYTTELSE AV UTSTYR FOR BORING AV UNDERVANNSBROENNER O.L.
摘要
申请公布号
NO170992(B)
申请公布日期
1992.09.28
申请号
NO19900002673
申请日期
1990.06.15
申请人
NORWEGIAN CONTRACTORS AS
发明人
KARAL, KAREL
分类号
E21B41/08;(IPC1-7):E21B7/128;E02D29/06
主分类号
E21B41/08
代理机构
代理人
主权项
地址
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