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PHOTOGRAPHIC AND CINEMATOGRAPHIC PROJECTORS FOR SLIDE AND MOTION PICTURES AND COMPONENTS AND ACCESSORIES THEREFOR-NAMELY, PHOTOGRAPHIC PROJECTOR TABLES, PROJECTOR LAMPS, PROJECTOR MAGAZINES, REELS AND FILM STORAGE BOXES, SLIDE CHANGERS, SLIDE MOUNTS, TIMING DEVICES FOR REMOTE CONTROL PROJECTORS; SYNCHRONIZING EQUIPMENT FOR REMOTE CONTROL OF PROJECTORS AND OF SOUND RECORDING AND REPRODUCING EQUIPMENT; PHOTOGRAPHIC CONTROL VOLTMETERS, LUXMETERS, AMPEREMETERS, OHMMETERS; PHOTOGRAPHIC VIEWERS; PH...