20 ÉCHANGES ÉCONOMIQUES ET COMMERCIAUX | MT 2021 commerce international | BT1 accord commercial | BT2 relation commerciale | NT1 charte de La Havane | NT1 libre circulation des marchandises | RT clause de sauvegarde [0806] | Organisation mondiale
20 TRADE | MT 2021 international trade | BT1 trade agreement | BT2 trade relations | NT1 free movement of goods | NT1 Havana Charter | RT common commercial policy [2006] | generalised preferences [2006] | protective clause [0806] | World Trade