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发明名称
Verktöy og fremgangsmåte for oppblåsing av en eller flere pakninger i et borehull samt et trykk-aktivert brönnverktöyanbrakt på en streng eller kveilerör
摘要
申请公布号
NO312253(B1)
申请公布日期
2002.04.15
申请号
NO19960000398
申请日期
1996.01.30
申请人
BAKER HUGHES INC
发明人
CORONADO, MARTIN P.
分类号
E21B33/124;E21B33/127;(IPC1-7):E21B33/127;E21B23/06
主分类号
E21B33/124
代理机构
代理人
主权项
地址
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