9
Information technology equipment and peripheral devices; calculators, data processing equipment, computers; electronic databases; electronic files (stored); computer programs; apparatus for saving, transferring and playing audio and visual content; speakers; amplifiers; magnetic information storage media, discs; optical equipment; measurement equipment; sensors; signaling apparatus; positioning and navigation equipment
42
Development and implementation of information technology equipment and peripheral devices; development and programming of data processing equipment; development, programming and maintenance of computer software; design and development of systems and apparatus for saving, transferring and playing audio and visual content; technical consultation, helpdesk and information services related to systems and apparatus for saving, transferring and playing audio and visual content; testing and quality control services for audio and visual content saving, transferring and playing apparatus and systems; scientific and technological services