The Combined Nomenclature (CN), v1:2021
4412 33 00: Plywood consisting solely of sheets of wood <= 6 mm thick, with at least one outer ply of non-coniferous wood of the species alder, ash, beech
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=49fd4a4b-3be3-4389-9b78-b2a56918d44c