The Combined Nomenclature (CN), v1:2020
6603 20: Umbrella frames, incl. frames mounted on shafts "sticks", for umbrellas and sun umbrellas of heading 6601
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=9c320fe0-a022-4f6f-9b66-776ab8be79ca