E.S.T. No. 90. _x000D_ BLVD. LEONIDES GUADARRAMA FDZ._x000D_ NAVA, COAHUILA._x000D_ IMPERMEABILIZACIýN DEL EDIFICIO "A" (ADMýN. PARCIAL), "B", "C", "E" Y "G", SUSTITUCION DE LOSA DEL EDIFICIO "H", REP. DEL SISTEMA ELýCTRICO, REP. RED HIDRýULICA, REP. DE SERV. SANIT. DEL EDIFICIO "D" Y SUST. DE VITROPISO EDIF. "C".

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