The Combined Nomenclature (CN), v1:2022
9612 10: Typewriter or similar ribbons, inked or otherwise prepared for giving impressions, whether or not on spools or in cartridges
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=a2a52813-81e3-4448-b7d4-12b366c09580