TRABAJOS DE TERRACERIAS OBRAS DE DRENAJE PAVIMENTACION OBRAS COMPLEMENTARIAS OBRAS INDUCIDAS Y SEÑALAMIENTO HORIZONTAL Y VERTICAL DEL KILOMETRO 100 000 AL 121 000 DEL TRAMO: SALINAS-LAS ARCINAS DE LA CARRETERA: SAN LUIS POTOSI-ZACATECAS EN EL ESTADO DE ZACATECAS

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