The Combined Nomenclature (CN), v1:2023
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=72c00acf-45ba-43e2-9d08-63bdac4ce8a8