6
Common metals and their alloys; Metal building materials and transportable buildings of metal; Materials of metal for railway tracks; Non-electric cables and wires of common metal; Ironmongery, small items of metal hardware, included in class 6; Pipes and parts of metal for pipes, in particular corrugated pipes, pipe elbows, T-pieces, reducing pieces, pipe connectors and pipeline supports, included in class 6; Receptacles, roof coverings, containers, jalousies, plates and posts, included in class 6; Units of metal (buildings) and steel structures of metal, included in class 6
11
Apparatus for heating, steam generating, refrigerating, drying, ventilating and water supply, and parts for the aforesaid goods, included in class 11; Heat exchangers, in particular plate heat exchangers, heat pumps, heat regenerators and heat accumulators, and parts for the aforesaid goods, included in class 11
37
Construction, installation and repair services in the field of tool and mould construction, mechanical engineering, vehicle and aircraft construction, repair, maintenance and cleaning of heating and boiler installations, in particular steam boilers, included in class 37; Surface cleaning of metals; Assembly, maintenance and repair of pipelines and parts of pipelines, in particular in industrial installations, including chemical and petrochemical installations, power stations, in shipbuilding, in heating installations and in compressor stations
40
Treatment of materials, in particular welding, hardening, plating and coating of pipes; Surface treatment, surface finishing through the treatment of materials of metal; Metal casting
42
Scientific and technological services and research and design related thereto, in particular in the field of metalworking; Industrial analysis and research, in particular in the field of metalworking; Materials testing and drawing up test certificates for completed material tests, surveying, in particular in the field of metalworking; Architectural and construction drafting and technical consultancy, in particular in connection with pipelines and pipeline systems; Materials testing and drawing up test certificates in connection with completed material tests, included in class 42