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发明名称
(U1 Y2) ;INSTALACION PARA LA PROTECCION DE RECONTOS DEPORTIVOS CONTRA ACCIONES VIOLENTAS DE LOS ESPECTADORES
摘要
申请公布号
ES1011474(U1)
申请公布日期
1990.04.01
申请号
ES19890002770
申请日期
1987.05.22
申请人
发明人
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主分类号
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