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; ores; metal louvers; metal ventilation louvers; metal gratings and lattices; metal facades and facade elements; metal railings
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; louvers and gratings which are ventilating devices; louvers for separating water (liquid) from air stream
37
Building construction; maintenance and repair of lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary apparatus; installation services for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary apparatus; powder coating of metals
42
Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; construction design; advisory services relating to construction design; design of facade louvers and facade systems; design of ventilation louvers; design of ventilation systems and parts thereof