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发明名称
Gesteinsbohrer
摘要
申请公布号
DE4301708(C2)
申请公布日期
2002.10.31
申请号
DE19934301708
申请日期
1993.01.22
申请人
DREBO WERKZEUGFABRIK GMBH
发明人
DREPS, KLAUS
分类号
E21B10/58;(IPC1-7):B28D1/14
主分类号
E21B10/58
代理机构
代理人
主权项
地址
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