Class 1: (Chemicals) Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry.
Class 17: (Rubber goods) Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes; plastics in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, not of metal.
Class 19: (Nonmetallic building materials) Building materials (nonmetallic); nonmetallic rigid pipes for building; asphalt, pitch and bitumen; nonmetallic transportable buildings; monuments, not of metal.
Class 20: (Furniture and articles not otherwise classified) Furniture, mirrors, picture frames; goods (not included in other classes) of wood, cork, reed, cane, wicker, horn, bone, ivory, whalebone, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials, or of plastics.