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发明名称
System og fremgangsmate for selvstendig utforelse av en nedihulls bronn-operasjon
摘要
申请公布号
NO20043480(A)
申请公布日期
2004.10.21
申请号
NO20040003480
申请日期
2004.08.20
申请人
BAKER HUGHES INC
发明人
MACKENZIE GORDON R
分类号
E21B23/00;E21B44/00;E21B47/00;(IPC1-7):E21B44/00
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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