Aero engines and parts therefor, namely, jet engines and turboprop engines; aero engine motor parts, namely, gas turbines with output shafts, turbo compressors, exhaust gas turbo compressors, mechanically driven compressors,transmission gears, liquid and fuel pumps, pump drives,radial and axial compressors, engine fans, blade and vane assemblies for turbo engines, gas ducts, axial and radial turbines, mufflers, fuel ducts, fuel injection pumps,fuel injection nozzles, fuel injection valves, pneumatic air starters, fixed and detachable couplings, hydraulical gears and clutches, oil and fuel filters, centrifuges,bearings for shafts, bearings for axels, bearings for rotors, bearings for gears, gear wheels, engine housings,aero engine and gas turbine assemblies, brush seals,labyrinth seals, rotating mechanical seals, turbo engine rotors, thrust nozzles for aero engine and gas turbine assemblies, blades and vanes for flow engines, igniters,ignition devices, oil coolers, fuel coolers, cooling medium coolers, radiators, profiled and distribution pipes

Electrical and electronic control units and parts therefor for controlling internal combustion engines and aero engines; metering and control devices and parts therefor for metering and controlling internal combustion engines and aero engines; magnetic data carriers featuring pre-recorded software for controlling and metering internal combustion and aero engines

Heat exchangers, namely, cross inverse flow heat exchangers, recuperative heat exchangers, and regenerative heat exchangers; fuel burners; combustion chambers; parts of or heat exchangers, namely, flame holders

Business consultation in the field of internal combustion engines and aero engines

Technical maintenance, overhaul and repair of internal combustion engines and aero engines

Technical consultation in the field of internal combustion engines and aero engines; scientific and industrial research in the field internal combustion engines and aero engines; design and updating of computer software for others for use in data and information processing for managing and controlling internal combustion engines; design and updating of computer software for others for use in data and information processing in the fields of aero engine materials management, production, sales and accounting