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.
irons, steels, semi-finished steels, rolled steels, secondary iron and steel, metal scraps of steel and iron, copper and copper-based alloys, aluminum and aluminum-based alloys, magnesium and magnesium-based alloys, titanium and titanium-based alloys, zirconium, and all the foregoing in sheet, rod, bar and billet form
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
[ electrical, ] magnetic-electrical and mechanical-electrical controls for machines that generate electricity and nuclear power; electric wires; electric cable; wire for welding electrode; welding electrode; electrical controls for machines that process food or manufacture tires
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
[ industrial furnaces, kilns, ovens, ] boilers, [ hot water heaters, ] warm air heaters, radiators, air heating furnaces, [ window air conditioning units, ] single inducing type air conditioning units, [ asphalt road heaters, ] commercial refrigerating units and cooling units, [ cooling tube icemakers, ] cooling evaporators, refrigerators, and commercial incinerators