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Common metals and their alloys; building materials of metal; buildings, transportable, of metal; railway material of metal; non- electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; goods of common metal included in this class, namely pipes and tubes of metal, metal troughs, gratings of metal, metal tapes, hooks [metal hardware], frameworks of metal, rings of metal, laths of metal, chains of metal, nozzles of metal, flanges of metal and steel buildings.Pumps, cooling fans, blowers, compactors and pressure containers being parts of installations for the transport of liquid and gaseous media, including water, air, steam, industrial gases; building, clean room and process engineering machines.Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes; ventilating and aerating machines and machines for heating, cooling and air-conditioning rooms.Construction; installation services in relation to the following fields: installations for ventilation technology, installations for air conditioning, installations for cooling and heating technology, installations for building technology, clean rooms.Scientific and technological services and research and design relating thereto; design and development of computer hardware and software.