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发明名称
APERFEICOAMENTO EM OU RELATIVO A CORPOS OU ELEMENTOS UNITARIOS DE MOAGEM POR REVOLVIMENTO OU IMPACTACAO
摘要
申请公布号
BR7600068(A)
申请公布日期
1977.08.02
申请号
BR19760000068
申请日期
1976.01.08
申请人
ALVES A
发明人
ALVES A
分类号
C22C38/22;C22C38/40;(IPC1-7):C22C38/22
主分类号
C22C38/22
代理机构
代理人
主权项
地址
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