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发明名称
ROTATABLE CUTTING TOOL
摘要
申请公布号
EP0487531(A4)
申请公布日期
1992.08.12
申请号
EP19900907831
申请日期
1990.04.25
申请人
KENNAMETAL INC.
发明人
STIFFLER, STEPHEN P.;MACINTYRE, RAY, C.;SHEIRER, DANIEL, C.;BEACH, WAYNE, H.
分类号
E01C23/12;E21B10/56;E21C35/18;E21C35/183;(IPC1-7):E21C35/18
主分类号
E01C23/12
代理机构
代理人
主权项
地址
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