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发明名称
Verfahren und Vorrichtung zum Ausfräsen eines Abschnitts in Gegenrichtung
摘要
申请公布号
DE10297474(T5)
申请公布日期
2004.12.02
申请号
DE2002197474T
申请日期
2002.11.20
申请人
BAKER-HUGHES INC., HOUSTON
发明人
DAVIS, JOHN P.;LYNDE, GERALD D.
分类号
E21B10/32;E21B29/00;E21B47/09;(IPC1-7):E21B29/00
主分类号
E21B10/32
代理机构
代理人
主权项
地址
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