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发明名称
(U1 Y2) ;RECUBRIMIENTO INSONORIZANTE PARA VIAS DE CIRCULACION TERRESTRE
摘要
申请公布号
ES1009352(U1)
申请公布日期
1989.08.16
申请号
ES19880003389
申请日期
1988.11.15
申请人
发明人
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主分类号
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代理人
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