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发明名称
Bohrkopf einer Bohreinrichtung, insbesondere Spülbohrkopf einer Flachbohreinrichtung
摘要
申请公布号
DE10116363(B4)
申请公布日期
2006.03.16
申请号
DE20011016363
申请日期
2001.04.02
申请人
TRACTO-TECHNIK GMBH
发明人
BAYER, HANS-JOACHIM
分类号
E21B7/00;E21B7/06;E21B7/24;E21B47/00;E21B47/01;E21B49/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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