20 TRADE | MT 2021 international trade | BT1 trade relations | NT1 buffer stock | NT1 common fund | RT commodities market [2006] | international agreement [0806] | originating product [2021] | price stability [2451] | primary product [2021] |
20 ÉCHANGES ÉCONOMIQUES ET COMMERCIAUX | MT 2021 commerce international | BT1 relation commerciale | NT1 fonds commun | NT1 stock régulateur | RT accord international [0806] | échange par produits [2016] | marché des produits de base [2006] | p