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发明名称
(U1 Y2) ;NUEVA ESTRUCTURA PARA SEMAFOROS DE SENALIZACION VIARIA
摘要
申请公布号
ES1001198(U1)
申请公布日期
1988.04.16
申请号
ES19860001665
申请日期
1986.12.17
申请人
发明人
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主分类号
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