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发明名称
Heiseanordning for en person, s¶rlig for bruk i forbindelse med et boretårn
摘要
申请公布号
NO20015942(D0)
申请公布日期
2001.12.05
申请号
NO20010005942
申请日期
2001.12.05
申请人
NATIONAL OILWELL NORWAY AS
发明人
MELTVEIT, FRODE
分类号
B66C;(IPC1-7):B66C
主分类号
B66C
代理机构
代理人
主权项
地址
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