7310: Tank, cask, box, container, iron/steel, capacity <300

731010: Tank, cask or container, iron/steel, capacity 50-300l 731021: Cans, iron/steel, capacity <50l closed by crimp/solde 731029: Cans, iron or steel, capacity <50 litres nes 7310: Tank, cask, box, container, iron/steel, capacity <300