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发明名称
Sementblanding, særlig for sementering av foringsrör og/eller forlengelsesrör i olje-eller gassbrönn, og skillevæske, særlig for fortrengning av borevæske fra brönnen, forut for nevnte sementering
摘要
申请公布号
NO960871(A)
申请公布日期
1997.09.08
申请号
NO19960000871
申请日期
1996.03.05
申请人
RAMEX AS
发明人
RAFOSS, EIVIND
分类号
C04B;C04B24/00;E21B33/13;(IPC1-7):C04B24/00
主分类号
C04B
代理机构
代理人
主权项
地址
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