BIVERGENZ

LUMINOUS ADVERTISING SIGNS; PHOTOGRAPHIC PROJECTORS AND PARTS THEREFOR

RADIATION LAMPS FOR MEDICAL PURPOSES

INCANDESCENT AND GAS DISCHARGE LIGHTS; ELECTRIC LIGHT BULBS AND LIGHT SOCKETS, LAMP REFLECTORS, LIGHT-GUIDING LOUVERS; ELECTRIC LAMP PARTS, NAMELY, HOUSING AND HOUSING PARTS, DRAWBARS, HOODS, LANTERNS AND FITTINGS; FILTERS AND LENSES FOR FLOODLIGHTS AND SPOTLIGHTS

CONSTRUCTION SERVICES IN THE FIELD OF INSTALLING LIGHT FIXTURES

DESIGN SERVICES IN THE FIELD OF SELECTING LIGHT SOURCES FOR OBTAINING AN OPTIMUM DISTRIBUTION OF LIGHT