1
Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; tempering and soldering preparations; chemical catalysts
2
Paints, varnishes, lacquers; preservatives against rust and against deterioration of wood; mordants; metals in foil and powder form for painters, decorators, printers and artists
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; gold solder; silver solder
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; exhausts for motors and engines; catalysts for automobile vehicles (parts engines); catalytic converters (parts engines); individual components of antipollution systems for vehicles, such as catalytic converters, filters for the exhaust gases and particle filters (parts engines)
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
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; anti-dazzle devices for automobiles (lamp fittings); anti-glare devices for vehicles (lamp fittings); Filters (parts of household or industrial installations); fuel economisers
14
Precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes; precious stones
40
Treatment of materials; air purification; custom assembling of materials for others; material treatment information; Production of energy; Water treating
42
Scientific and industrial researches; services of engineers; computer programming