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Federal Roads and Bridges and Similar Services
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Paving rehabilitation; 25 cm from the improved base with Portland cement at 4 % of its PVSM and 10 cm sheet asphalt from km 19+000 to 51+500, from 55+600 to 64+700, from 67+700 to 70+100 part "a", from km 75+200 to 79+000 part "b" from sub-section Cd. Obregón - Guaymas and seal irrigation over former rehabilitations, in the Federal Highway Estación Don – Nogales, state of Sonora
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Road Local Council of the State of Sonora
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Construction of dirt roads, drainage works, paving, and signaling of the enlargement and renovation of the Yaqui-Mayo road, section: From Km. 58+300 to Km. 67+000, in the state of Sonora
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Ministry of Communications and Transportation
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Renovation and enlargement of Federal Highway No. 2, General Lauro del Villar-Tijuana, section: Santa Ana-Sonoita, sub-section: Caborca-Sonoita from KM 625+000 to KM 628+500
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