IC 012. US 019 021 023 031 035 044. G & S: Air vehicles, namely, aircrafts and airplanes; structural parts for aircraft, namely, nacelles comprised of an inlet cowl, fan cowl, pylon/strut, exhaust nozzle and exhaust cone for engines, jet engines and thrusters for aeronautical vehicles; structural replacement parts for aircrafts and space vehicles thereof included in this class, namely, propellers and nacelles comprised of thrust reversers, engine inlet, fan case, and cone exhaust

IC 037. US 100 103 106. G & S: Repair and maintenance of air and space vehicles, satellites, space launchers and aircrafts; building, namely, construction of industrial buildings; repair and reconditioning of aerospace vehicle combustion chambers, rocket chambers, thrust nozzles, and aerospace vehicle components comprised of high heat resistant composite materials; repair of electric and electronic apparatus, instruments, systems, materials and equipment used in the aerospace field; repair, cleaning and maintenance for propulsion units, systems, equipment and parts of aeronautical and space vehicles; repair, cleaning and maintenance under the wing for all types of propulsion units, systems, equipment and parts of aeronautical and space vehicles; upgrading, overhauling and standard exchange, namely, standard replacement of used parts with repaired or reconditioned parts of propulsion units, systems, equipment and parts of aeronautical and space vehicles; online assistance, namely, providing 24-hour/7-day per week consulting for repair, overhauling, cleaning, maintenance and standard replacement for propulsion units, systems, equipment and spare parts of aeronautical and space vehicles; technical advice and assistance for maintenance, repair and overhaul of aeronautical vehicles and their component parts, including nacelles for engine, jet engines, propellers or thrust reversers

IC 042. US 100 101. G & S: Technical engineering studies and projects in the field of aerospace vehicles and their component parts, including engines, engine nacelles, jet engines, propellers or thrust reversers, and aeronautical vehicles; technical advice and assistance concerning aerospace engineering services; technical, scientific and industrial research in the field of aeronautics and space vehicle construction; engineering, research and development relating to aerodynamics, turbomachinery, high-temperature metallurgy, special industrial processes for cranking, welding techniques, laser applications and data acquisition systems for test stands, namely, test benches; advice, research and technical assistance for the design, certification and modification of aeronautical vehicles and their component parts, including engines, engine nacelles, jet engines, propellers or thrust reversers, and aeronautical vehicles; material testing; inspection service of propulsion units, systems, equipment and parts of aircraft and space vehicles; analysis, surveying and processing of data recorded during testing of propulsion units, systems, equipment and parts for aircraft and space vehicles; computer software design and development and computer programming in the field of aeronautics and space