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发明名称
Method of regulating the feed force of a drilling device
摘要
申请公布号
GB2380505(B)
申请公布日期
2006.02.15
申请号
GB20020022832
申请日期
2002.10.03
申请人
TRACTO-TECHNIK GMBH
发明人
ELMAR KOCH
分类号
E21B44/02;E21B7/06;E21B44/06
主分类号
E21B44/02
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代理人
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