20 Furniture, desks, filing cabinets, chairs, seats, armchairs, stools, divans, sofas, couches, benches, bookcases, shelves, screens, coat stands, tables, table tops, side tables, plate racks, sideboards, chests of drawers, cupboards, showcases being furniture, furniture doors; mirrors; picture frames, works of art made of wood, wax, plaster, cork, reed, cane, wicker, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics; works of art made of substitutes for horn, bone, ivory and whalebone