Gas turbine engines not for land vehicles and replacement parts; Steam turbine engines not for land vehicles and replacement parts; Combustion systems comprised primarily of combustors for turbine engines; Combustion engine not for land vehicles; Combustion engine fuel nozzles; fuel and air mixture regulators being parts of internal combustion engines other than for land vehicles; Gas turbines not for land vehicles and replacement parts

Installation, maintenance and repair of turbine engines and turbine engine parts, gas and steam turbine engines, combustion systems comprised primarily of combustors for turbine engines, combustion engine, combustion engine fuel nozzles, fuel and air mixture regulators being parts of internal combustion engines, and parts therefor