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发明名称
VERFAHREN UND VORRICHTUNG ZUM BOHREN
摘要
申请公布号
DE69624928(D1)
申请公布日期
2003.01.02
申请号
DE19966024928
申请日期
1996.08.27
申请人
ATLAS COPCO CRAELIUS AB, MAERSTA
发明人
JANSSON, KJELL
分类号
E21B44/00;E21B44/02;(IPC1-7):E21B44/00
主分类号
E21B44/00
代理机构
代理人
主权项
地址
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