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发明名称
Hengsel
摘要
申请公布号
NO922697(A)
申请公布日期
1994.01.10
申请号
NO19920002697
申请日期
1992.07.08
申请人
DEN NORSKE STATS OLJESELSKAP AS
发明人
STEINHOVDEN KNUT OVE
分类号
B63C11/00;E05D7/00;E21B7/128;E21B33/037;(IPC1-7):E05D7/00
主分类号
B63C11/00
代理机构
代理人
主权项
地址
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