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发明名称
ANORDNING FOR UTSKIFTING AV EN SVIVEL
摘要
申请公布号
NO921102(D0)
申请公布日期
1992.03.20
申请号
NO19920001102
申请日期
1992.03.20
申请人
NORSK HYDRO AS
发明人
ASKESTAD, SIGMUND
分类号
B63B21/50;(IPC1-7):E21B/
主分类号
B63B21/50
代理机构
代理人
主权项
地址
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