https://confrides.cpd.ua.es/tematres/vocab/https://confrides.cpd.ua.es/tematres/vocab/skos/2470Acuerdo General sobre Aranceles Aduaneros y Comercio https://confrides.cpd.ua.es/tematres/vocab/skos/2470 Área 6. Comercio exterior o internacional BT https://confrides.cpd.ua.es/tematres/vocab/skos/2470 GATT UF