Optical Apparatus-Namely, Cameras, Projectors and Developed Photographic Film; Audio and Video Apparatus-Namely, Audio and Video Recorders, Memories and Play-Back Apparatus Including Magnetic Recorders, Speakers and Magnetic Tape; Television Apparatus-Namely, Television Transmitters Cameras and Receivers, Audio-Video Play-Back Apparatus and Antennas; Electronic Instruction Apparatus-Namely, Electroacoustical and Electrooptical Transducers and Transmitters and Receivers for Transmission of Vid...