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发明名称
LAJOTA DE CONCRETO DE NUCLEOS OCOS E METODO PARA FAZER AS MESMAS
摘要
申请公布号
BR7604426(A)
申请公布日期
1978.01.31
申请号
BR19760004426
申请日期
1976.07.06
申请人
FANSON J
发明人
FANSON J
分类号
E04C2/04;(IPC1-7):E04C2/50
主分类号
E04C2/04
代理机构
代理人
主权项
地址
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