Data processing apparatus and instruments, computers; regulation and control apparatus and instruments for lighting systems, illumination and lights; ballasts and starters for gas discharge lamps; electronic transformers; plugs and connectors for light-guide cables

Lighting apparatus, instruments and devices and lights; optical fibre lighting systems; housings for lights and lamps, louvres for directing light, reflectors and covers for lights, lamp holders, suspension pendants for lights; optical fibre light-guides of glass and plastic fibres; filters and notch filters, light escapes, lenses for focusing light; ventilating units, apparatus and instruments; air directing and air guiding apparatus and instruments, air directing vanes, air directing rollers; air-conditioning units, apparatus and instruments; heating units, apparatus and instruments