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经营范围
发明名称
PLACA PERFECCIONADA PARA LA CONSTRUCCION.
摘要
申请公布号
ES226151(Y)
申请公布日期
1977.08.01
申请号
ES19510002261U
申请日期
1977.02.03
申请人
发明人
分类号
E04C;(IPC1-7):04C/
主分类号
E04C
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代理人
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