73209395
Mar 29, 1979
May 26, 1981
Photographic Film Editors, Photographic Film Viewers, Photographic Film Splicers, Photographic Film Rewinders, Sound Projectors for Film, Optical and Magnetic Sound Synchronizers, Analysis Projectors, Rear Screen Projectors, Cartridge Projectors, Magnetic Recording and Playback Apparatus, Continuous Film Loop Projectors, Filmstrip Projectors, Direct Projectors, Rear Screen Projectors, Projectors with Sound from Photograph Records, Large Screen Television Projectors, Optical Multiplexing Apparatus, Image Enhancers, Overhead Projectors, Opaque Projectors, Lanternslide Projectors
Electrical and Scientific Apparatus