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发明名称
Boring ram
摘要
申请公布号
EP0372225(B1)
申请公布日期
1997.01.29
申请号
EP19890120336
申请日期
1989.11.03
申请人
TRACTO-TECHNIK PAUL SCHMIDT SPEZIALMASCHINEN
发明人
HESSE, ALFONS, DIPL.-ING.
分类号
B25D17/08;E21B11/02;E21B4/14;E21B7/26;E21B17/046;(IPC1-7):E21B7/26
主分类号
B25D17/08
代理机构
代理人
主权项
地址
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