ÖNORM A 7700-1

35.240.99 35.100.01 35.040

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, Information technology, Information coding 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