6
Common metals and their alloys; steel alloys; alloys of common metal; steel strip; metal strips; steel sheets; sheets of metal; unwrought or semi-wrought steel; metal building materials; reinforcing materials of metal for building; frames of metal for building; gutters of metal; door frames of metal; tiles of metal for building; framework of metal for building; roof coverings of metal; floor tiles, of metal; stair treads [steps] of metal; window-stops of metal; gate stops of metal; chests of metal; window frames of metal; door frames of metal; window frames of metal; door frames of metal; greenhouse frames of metal; metal windows; doors of metal; chimneys of metal; partitions of metal; fences of metal; pillars of metal for buildings; fittings of metal for buildings; floors of metal; ceilings of metal; tiles of metal; transportable buildings of metal; porches of metal (building); wall linings of metal (building); gates of metal; posts of metal; joists of metal; girders of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; transport pallets of metal; cashboxes of meal; tool boxes of metal (empty); containers of metal (storage, transport); tanks of metal; pipes and tubes of metal; tubes of metal; steel tubes; tubes of metal; ducts and pipes of metal for central heating installations; chimney shafts of metal; ducts of metal for ventilating and air-conditioning installations; safes; goods of common metal not included in other classes; ores
40
Material processing; metal casting; metal plating; metal treatment; metal tempering; galvanization; abrasion; soldering; boiler-making; blacksmithing; nickel plating; vulcanization (material treatment); custom assembling of materials (for others); material treatment information
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; architectural consultation; material testing; technical project studies; engineering; engineering; construction drafting; licensing of intellectual property; research and development (for others); chemical research; mechanical research; technical research