POLYNET

MAGNETIC TAPES AND DISCS FOR THE TRANSMISSION AND STORAGE OF DIGITAL RECORDED DATA; ELECTRONIC COMPUTERS; ELECTRONIC DATA PROCESSORS; AND ELECTRONIC COMMUNICATIONS SYSTEMS COMPRISING INTERFACING UNITS, WALL SOCKETS, POWER SUPPLY UNITS, AND MONITORING STATIONS

PRINTED MATTER, BOOKS, PRINTED INSTRUCTIONAL AND TEACHING MATERIAL ALL RELATING TO COMPUTING AND DATA PROCESSING APPARATUS AND ELECTRONIC COMMUNICATIONS APPARATUS