73592943
Apr 11, 1986
Oct 21, 1986
COMPUTER PROGRAMS, AUDIO DATA RECORDED ON MAGNETIC MEDIA, PLAYBACK UNITS FOR THE INPUT OF AUDIO AND/OR DIGITAL DATA TO COMPUTERS OR AUDIO TRANSDUCERS, POWER SUPPLIES AND CABLES
Electrical and Scientific ApparatusEDUCATIONAL SERVICES IN THE FIELD OF COMPUTER PROGRAMS AND COMPUTER HARDWARE
Education and Entertainment