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发明名称
DOS PLACAS PREFABRICADAS AUTOTRABANTES COMPLEMENTARIAS DE HORMIGON
摘要
申请公布号
ES257115(Y)
申请公布日期
1982.01.01
申请号
ES19150002571U
申请日期
1981.03.25
申请人
发明人
分类号
E04C2/30;(IPC1-7):04C2/30
主分类号
E04C2/30
代理机构
代理人
主权项
地址
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