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发明名称
FERRAMENTA DE CORTE TENDO UMA PONTA DURA
摘要
申请公布号
BR8704556(A)
申请公布日期
1988.04.26
申请号
BR19870004556
申请日期
1987.09.03
申请人
KENNAMETAL INCORPORATED
发明人
WAYNE H. BEACH
分类号
E21C35/18;E02F9/28;(IPC1-7):B26F1/08
主分类号
E21C35/18
代理机构
代理人
主权项
地址
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