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发明名称
(U1 Y2) ;SOPORTE PERFECCIONADO PARA CANALIZACIONES DE TRANSPORTE Y DISTRIBUCION DE AGUA PARA RIEGOS AGRICOLAS Y SIMILARES
摘要
申请公布号
ES1018992(U1)
申请公布日期
1992.02.16
申请号
ES19910002948
申请日期
1991.10.02
申请人
发明人
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主分类号
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