37 Installation, maintenance and repair of apparatus and instruments for electrical or electronic electronical equipment of automata, in the nature of video monitors, cathode ray tube displays panels, computers monitors having touch based screens, computers and mobiles phones, machine tools in the nature of video monitors, cathode ray tube displays panels, computers monitors having touch based screens, computers and mobiles phones; data processing equipment and computers; installation, maintenance and repair of equipment for computers in the nature of computer monitors having touch or pen-based input screens; installation, maintenance and repair of peripheral equipment for computers and smart cards; peripheral equipment for mobile phones in the nature of video monitors, cathode ray tube displays panels, computers monitors having touch based screens, computers and mobiles phones; peripheral equipment for personal digital assistants, in the nature of video monitors, cathode ray tube displays panels, computers monitors having touch based screens, computers and mobiles phones