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发明名称
Improved tools for cutting rock drilling
摘要
申请公布号
EP0462955(B1)
申请公布日期
1995.12.27
申请号
EP19910850163
申请日期
1991.06.12
申请人
SANDVIK AKTIEBOLAG;DIAMANT BOART STRATABIT S.A.
发明人
WALDENSTROEM, MATS,;FISCHER, UDO;HILLERT, LARS;DENNIS, MAHLON
分类号
C22C29/08;E21B10/56;E21B10/573;(IPC1-7):E21B10/56
主分类号
C22C29/08
代理机构
代理人
主权项
地址
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