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发明名称
APERFEICOAMENTO EM COMPOSICAO DE MATERIA REFRATARIA,ADEQUADA PARA FABRICAR CADINHOS UTILIZADOS EM LABORATORIOS DE FUNDICAO
摘要
申请公布号
BR7601488(A)
申请公布日期
1977.09.06
申请号
BR19760001488
申请日期
1976.03.12
申请人
MEDINA R
发明人
MEDINA R
分类号
C04B35/14;(IPC1-7):C04B35/14
主分类号
C04B35/14
代理机构
代理人
主权项
地址
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