9
Data processing equipment and computers, computer software, in particular programs for the design and planning of installations for lighting, air-conditioning, ventilation and heating; regulating and control devices and equipment for lighting installations and lights; fluorescent lamp ballast and starters for gas discharge lamps; electronic transformers; connectors and pin and socket connections for optical fibre cables
11
Lighting installations, devices and equipment and lights; fibreoptic lighting installations; housings, screens for directing light, reflectors and covers for lights, sockets for lamps, suspension devices for lights; optical fibre lighting cables of glass fibres and plastic fibres; filters and barrier filters, light outlets, lenses for focusing light; ventilating installations, devices and equipment; air regulating and control devices, air regulating slats, air regulating rollers; air-conditioning installations, devices and equipment; heating installations, devices and equipment
42
Project management and planning of installations for lighting, air-conditioning, ventilation and heating; computer programming