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发明名称
Anordning for kontinuerlig bronnboring med stasjonaere sensormalinger
摘要
申请公布号
NO326228(B1)
申请公布日期
2008.10.20
申请号
NO20020000549
申请日期
2002.02.04
申请人
BAKER HUGHES INC
发明人
KRUEGER VOLKER
分类号
E21B4/18;E21B44/00;E21B47/00;E21B47/01
主分类号
E21B4/18
代理机构
代理人
主权项
地址
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