TRABAJOS DE CONSERVACION PERIODICA MEDIANTE BACHEO AISLADO Y UNA CAPA DE RODADURA DE MICROAGLOMERADO EN FRIO CON MORTERO ASFALTICO DEL KM. 148 000 AL KM 170 000 DE LOS CUERPOS A Y B DEL TRAMO SILAO-LEON DE LA CARRETERA QUERETARO-LEON CON UNA LONGITUD DE 66.0 KMS EN EL ESTADO DE GUANJUATO.

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