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公开(公告)号:EP2073950A4
公开(公告)日:2011-01-26
申请号:EP07844153
申请日:2007-10-11
申请人: KENNAMETAL INC , YAMAWA MFG CO LTD
IPC分类号: B23G5/18
CPC分类号: B23G5/06 , B23G2200/26 , B23G2200/48 , B23G2225/28 , B23G2225/32 , B23G2225/56 , B23G2225/60 , B23P15/52 , Y10T408/9048 , Y10T408/906 , Y10T408/9097