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发明名称
Undersj°isk kontrollkabel
摘要
申请公布号
NO981163(A)
申请公布日期
1998.10.30
申请号
NO19980001163
申请日期
1998.03.16
申请人
KVµRNER OILFIELD PRODUCTS AS
发明人
FIGENSCHOU, ARILD;HEGGDAL, OLE A.
分类号
E21B17/01;E21B17/08;E21B43/01;F16L9/19;H01B7/00;(IPC1-7):F16L9/18
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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