6
Common metals and their alloys; construction material made of metal; transportable metal buildings; metal materials for railway tracks; non-electric cables and wires of common metal; ironmongery and small items of metal hardware; metal pipes and tubes; safes; goods of common metal not included in other classes; ores
9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, distributing, 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 and computer equipment; fire extinguishers
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes