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经营范围
发明名称
FORMAS ELASTICAS PARA LA OBTENCION DE HUECOS EN SECCIONES DE MORTEROS Y HORMIGONES.
摘要
申请公布号
ES365226(A1)
申请公布日期
1971.02.16
申请号
ES19260003652
申请日期
1969.03.25
申请人
YUS ORTIN
发明人
分类号
E04C;(IPC1-7):04C/
主分类号
E04C
代理机构
代理人
主权项
地址
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