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发明名称
Vorrichtung zum Ankoppeln des Drehtischanschlusses eines Bohrgeräts an einen Rohradapter
摘要
申请公布号
DE19813409(C2)
申请公布日期
2001.12.13
申请号
DE19981013409
申请日期
1998.03.26
申请人
BILFINGER + BERGER BAUAKTIENGESELLSCHAFT
发明人
RAU, JUERGEN;JENRICH, REINHARD
分类号
E21B7/20;E21B17/03;(IPC1-7):E21B17/02;E21B3/04
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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