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发明名称
Vigas de cemento armado
摘要
申请公布号
ES39835(Y)
申请公布日期
1954.07.01
申请号
ES19350000398U
申请日期
1952.09.25
申请人
CUADRADO GUTIÉRREZ, JAIME
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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