PRE-RECORDED VIDEOTAPES AND FILMS, AND TRAINING MANUALS SOLD AS KITS

OVERHEAD PROJECTION MACHINES AND PROJECTION SCREENS, AND POLARIZING ANALYZERS AND PRINTING AND DEVELOPING APPARATUS AND SLIDE MAKING MATERIALS FOR MAKING TRANSPARENCIES TO BE USED THEREWITH

INDUSTRIAL MAGAZINE

Audio and visual telecommunication services, namely audio teleconferencing and video teleconferencing