73224883
Jul 25, 1979
Mar 24, 1981
Photographic Cameras, Their Parts, and Photographic Accessories Comprising Winder, Data Back Consisting of Three Data Dials on the Back of the Camera on which May Be Indicated the Day, Month, Year or Exposure Information, Electronic Flash Units, Remote Control Units, Filters, Lens Hoods, Shutter Interval Timers, Camera Cases and Straps
Electrical and Scientific Apparatus