Class 0: National class (without description)
Class 6: (Metal goods) Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; iron mongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores.
Class 10: (Medical Apparatus) Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth; orthopedic articles; suture materials.
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 22: (Cordage and fibers) Ropes, string, nets, tents, awnings, tarpaulins, sails, sacks and bags (not included in other classes); padding and stuffing materials (except of rubber or plastics); raw fibrous textile materials.
Class 38: Telecommunications