Construcciýn de alcantarillado sanitario consistente en el suministro e instalaciýn de 25,712.45 ml de tuberýa de 8" con junta hermýtica, 141 pozos de visita tipo comýn ademýs descargas domiciliarias en la localidad Ascensiýn, mpio. del mismo nombre, en el Estado de Chihuahua

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