9 computer software, namely, computer programs and databases, for computer-aided design of mechanical and electromechanical parts, products and components, and for analysis and optimization, styling, visualization, simulation, tooling and production of such mechanical and electromechanical parts; device for storing or executing such computer software, particularly magnetic/electronic/optical disks cards; and computer software for teaching about computer-aided design, drafting and documentation of mechanical and electromechanical parts, products and components, stored on electronic, magnetic or optical media