ÖVE/ÖNORM EN 62455

35.240.99 35.100.01 33.170

IT, communication & electronic, Applications of information technology, IT applications in other fields IT, communication & electronic, Information technology, Open systems interconnection in general IT, communication & electronic, Audio, video and audiovisual engineering, Television and radio broadcasting IT, communication & electronic, Telecommunication systems, IT applications in other fields IT, communication & electronic, Telecommunication. Telecontrol. Telemetering, IT applications in other fields Electric & lighting engineering, Installations in buildings - Electricity supply systems, IT applications in other fields Building services engineering & equipment, Installations in buildings - Electricity supply systems, IT applications in other fields Services & management, Education, IT applications in other fields