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发明名称
ROCK DRILL
摘要
申请公布号
EP0937191(A1)
申请公布日期
1999.08.25
申请号
EP19970949917
申请日期
1997.11.11
申请人
HAWERA PROBST GMBH
发明人
HAUSSMANN, AUGUST;FUSS, MATHIAS;MOSER, BERNHARD;WAGEGG, THOMAS
分类号
E21B10/58;E21B10/44;(IPC1-7):E21B10/58
主分类号
E21B10/58
代理机构
代理人
主权项
地址
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