DIN EN IEC 62056-8-4

33.200 35.240.99 91.140.50

IT, communication & electronic, Applications of information technology, IT applications in other fields IT, communication & electronic, Telecommunication systems, IT applications in other fields IT, communication & electronic, Telecommunication. Telecontrol. Telemetering, IT applications in other fields IT, communication & electronic, Telecommunication. Telecontrol. Telemetering, Telecontrol. Telemetering Electric & lighting engineering, Installations in buildings - Electricity supply systems, Electricity supply systems Electric & lighting engineering, Installations in buildings - Electricity supply systems, IT applications in other fields Building services engineering & equipment, Installations in buildings - Electricity supply systems, Electricity supply systems Building services engineering & equipment, Installations in buildings - Electricity supply systems, IT applications in other fields Services & management, Education, IT applications in other fields