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发明名称
Bohrkrone mit umfangverteilten, lösbar angeordneten Zahnkörpern
摘要
申请公布号
DE4226363(C2)
申请公布日期
1995.07.06
申请号
DE19924226363
申请日期
1992.08.10
申请人
BAUER SPEZIALTIEFBAU GMBH, 86529 SCHROBENHAUSEN, DE
发明人
FROMME, THEODOR, 56154 BOPPARD, DE
分类号
E21B10/48;E21B10/62;(IPC1-7):E21B10/62;E21B10/46
主分类号
E21B10/48
代理机构
代理人
主权项
地址
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