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经营范围
发明名称
FORANKRINGSANORDNING.
摘要
申请公布号
NO164729(B)
申请公布日期
1990.07.30
申请号
NO19880003133
申请日期
1988.07.14
申请人
NORSKE STATS OLJESELSKAP A/S, DEN
发明人
BRUSET, OLAV;IMRIE, RONALD W.
分类号
B63B21/50;E21B41/10;(IPC1-7):E21B7/128
主分类号
B63B21/50
代理机构
代理人
主权项
地址
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