42 Engineering service and data establishment, namely, planning, conceiving, designing, and improving space vehicles, satellites, space launchers, space platforms and navigation systems, and recognition and self-directional systems relating to aeronautical field; scientific, physical and technical analyses for manufacture, exploitation and maintenance of satellites, space vehicles, space launchers and space platforms; software conception and development for others in the field of telecommunications, data establishment and information management systems, namely, for planning, conceiving, designing, manufacturing, operating, maintaining, overhauling, preparing for launching, and improving space vehicles, satellites, space launchers and space platforms; software maintenance for others