LICITACIONES PÚBLICAS ADQUISICIONES EJERCICIO 2021: LPE-211210170520000-01-21 LPN-02492021500031-002-21 LPE-211210170520000-03-21 LPE-211210170520000-04-21 LPN-211210170520000-005-21 LPN-211210170520000-006-21 CAEV-AF-2021-RE-PRODDER-PROSANEAR-01-LPI CAEV-AF-2021-RP-PRODDER-02-LPN CAEV-AF-2021-PROSANEAR-RF-03-LPN regresar