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Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
lighting apparatus and installations, namely, light diffusers, chandeliers, lamp reflectors, lamp chimneys, glasses for lamps, street lamps, standard lamps, safety lamps, electric lamps, lamps, lanterns, luminous lanterns, ceiling lights, projector lamps, light reflectors, stage lighting lamps