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发明名称
BOREHULLS-LOGGEKABEL.
摘要
申请公布号
NO158039(B)
申请公布日期
1988.03.21
申请号
NO19850000831
申请日期
1985.03.01
申请人
STANDARD TELEFON OG KABELFABRIK A/S
发明人
HASSEL, ARILD;BENDIKSEN, MALVIN
分类号
E21B17/20;E21B47/12;G02B6/44;H01B7/00;H01B7/04;H01B9/00;(IPC1-7):H01B7/18;H01B11/00;H01B13/00
主分类号
E21B17/20
代理机构
代理人
主权项
地址
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