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发明名称
APERFEICOAMENTO EM MAQUINA PARA A EXTRUSAO DE PERFIS DE CONCRETO
摘要
申请公布号
BR7801594(A)
申请公布日期
1979.12.04
申请号
BR19780001594
申请日期
1978.03.16
申请人
FOSTER G
发明人
FOSTER G
分类号
B28B1/29;(IPC1-7):B28B1/29
主分类号
B28B1/29
代理机构
代理人
主权项
地址
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