73008030
Dec 5, 1973
Mar 4, 1975
[ MOTION PICTURE PROJECTORS, ] SLIDE PROJECTORS [ , AND PROJECTOR ACCESSORIES-NAMELY, FILMSTRIP ADAPTERS, WRITE-ON SLIDES FOR USE IN SLIDE PROJECTORS, AND CLOSE-UP SLIDE-MAKING KITS INCLUDING CAMERAS, COPY STANDS AND CLOSE-UP LENSES ]
Electrical and Scientific Apparatus