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发明名称
APERFEICOAMENTOS EM BATENTES PARA PLACAS
摘要
申请公布号
BR8400274(A)
申请公布日期
1985.08.27
申请号
BR1984PI00274
申请日期
1984.01.24
申请人
USINAS SIDERURGICAS DE MINAS GERAIS S/A - USIMINAS (GRUPO SIDERBRAS)
发明人
JOSE AMARO FERREIRA PINTO;JUESMAR GOMES DA CUNHA;MARTIN EDUARDO ARMANDO BORDA
分类号
F27D3/12;G05G5/04;(IPC1-7):F27D3/12
主分类号
F27D3/12
代理机构
代理人
主权项
地址
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