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.
metal pipes, hoses, tubes, pipes, fittings, hose, tube and pipe clamps, belt connectors, flanges, socks, bends, cylinders; valves, valves and shut-off valves of metal, not included in other classes; metal fittings for pipes of industrial plants, in particular shut-off, adjustment, distribution and security fittings, sliding gates; metal flange gaskets
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.
sealing, packing and insulation material; non-metallic flexible pipes, stuffing box and flange gaskets, packing cones, valve rings, steam valves, butterfly valves, packing plates, valves, packing rings, sealing rings, cord rings, oil and grease rings, dust rings, gauge rings, coupling discs, hoses, pipes and tubes, fittings, hose pipe and pipe clamps, belt connectors, flanges, bends; flange gaskets not of metal