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发明名称
Spyleverktoey
摘要
申请公布号
NO922557(A)
申请公布日期
1993.12.30
申请号
NO19920002557
申请日期
1992.06.29
申请人
DEN NORSKE STATS OLJESELSKAP AS.
发明人
TAILBY, ROGER
分类号
E21B37/08;E21B41/00;(IPC1-7):E21B
主分类号
E21B37/08
代理机构
代理人
主权项
地址
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