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Apparatus for lighting, lamps, searchlights, lanterns, chandeliers, lamp glasses, light bulbs, headlights for automobiles, anti-dazzle devices for automobiles (lamp fittings), anti-glare devices for vehicles (lamp fittings), automobile lights, ceiling lights, electric lamps, flashlights (torches), light bulbs for directional signals for vehicles, pocket searchlights, sockets for electric lights, vehicle headlights; apparatus for heating and steam generating installations, stoves (heating apparatus); heating boilers, steam boilers (other than parts of machines), burners, central heating radiators, water heaters, radiators (heating), heat pumps, heat exchangers (not parts of machines), solar collectors (heating), gas boilers, heating elements, gas burners, heat regenerators, hot water bottles; level controlling valves in tanks, regulating and safety accessories for gas apparatus, watering machines for agricultural purposes; water softening apparatus, water purifying apparatus and machines, water purification installations, purification installations for sewage