6
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; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores
7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs; Belts (Dynamo -); Belts for conveyors; Brake linings other than for vehicles; Cowlings [parts of machines]; Dynamo belts; Exhausts for motors and engines; Fan belts for motors and engines; Heat exchangers [parts of machines]; Manifold (Exhaust -) for engines; Pressure valves [parts of machines]; Regulators [parts of machines]; Sparking plugs for internal combustion engines; Speed governors for machines, engines and motors; Tubes (Boiler -) [parts of machines]; Turbocompressors; Valves [parts of machines]; Water heaters [parts of machines]
17
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; Brake lining materials, partly processed; Carbon fibers [fibres], other than for textile use; Heat (Non-conducting materials for retaining -); junctions, not of metal, for pipes; Junctions, not of metal, for pipes; Lining materials (Brake -), partly processed; Linings (Clutch -); Non-conducting materials for retaining heat; Pipes (Junctions for -), not of metal; Pipes (Reinforcing materials, not of metal for -); plastic substances, semi-processed; Plastic substances, semi-processed; reinforcing materials, not of metal for pipes; reinforcing materials, not of metal, for pipes; Reinforcing materials, not of metal, for pipes; Resins (Artificial -) [semi-finished products]; Resins (Synthetic -) [semi-finished products]; Synthetic resins [semi-finished products]; Valves of india-rubber or vulcanized fiber [fibre]; Vulcanized fiber [fibre]; Washers of rubber or vulcanized fiber [fibre]; sealant compounds for joints