CONSTRUCCIÓN DE 8 000 M2 DE TECHO PARA VIVIENDAS A BASE DE LÁMINAS CON DIMENSIONES DE 2.9 MM DE ESPESOR CON 2.00 DE LARGO Y UN ANCHO DE 0.95 M A REALIZARSE EN 250 VIVIENDAS DE LOS MUNICIPIOS DE TETIZ Y HUNUCMA EN EL ESTADO DE YUCATÁN

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