FOCAL
[ OPTICAL APPLIANCES AND ASSOCIATED EQUIPMENT-NAMELY, BINOCULARS, OPERA GLASSES, SPORT GLASSES, TELESCOPES, MICROSCOPES, ] STILL CAMERAS, [ MOVIE CAMERAS, PROJECTION SCREENS, FILM REELS, SLIDE SORTERS, SLIDE VIEWERS, ] FLASH UNITS [ , SLIDE PROJECTORS, AND MOVIE PROJECTORS ]
Expired · November 15, 1968 · 72312306 ·