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发明名称
CUBIERTA PERFECCIONADA PARA EDIFICACIONES
摘要
申请公布号
ES255839(Y)
申请公布日期
1981.12.01
申请号
ES19390002558U
申请日期
1981.01.28
申请人
发明人
分类号
E04D3/366;E04D13/04;(IPC1-7):04D11/02
主分类号
E04D3/366
代理机构
代理人
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