Data processing equipment and computers, computer software, especially programmes for projecting and planning of installations for lighting, air conditioning, ventilating and heating, regulating and control devices and equipment for lighting installations and lights, ballasts and starters for glow-discharge lamps, electronic transformers, connectors and plug connections for fibre optics cables, optic fibre light cables of glass, respectively plastic fibres, filters and barrier filters, light outlets, lenses for focussing of light

Lighting installations, devices and equipment and lights, fibre optics lighting installations, casings, grids for the directioning of light, reflectors and covers for lights, lamp sockets, pendulum suspensions for lights, ventilating installations, devices and equipment, devices for the directioning and guiding of air, lamellae for the directioning of air, rollers for the directioning of air, air conditioning installations, devices and equipment, heating installations, devices and equipment