Manufacture of engines and turbines, except aircraft, vehicle and cycle engines

This class includes:

• manufacture of internal combustion piston engines, except motor vehicle, aircraft and cycle propulsion engines:

• marine engines
• railway engines

• manufacture of pistons, piston rings, carburetors and such for all internal combustion engines, diesel engines etc.
• manufacture of inlet and exhaust valves of internal combustion engines
• manufacture of turbines and parts thereof:

• steam turbines and other vapour turbines
• hydraulic turbines, waterwheels and regulators thereof
• wind turbines
• gas turbines, except turbojets or turbo propellers for aircraft propulsion

• manufacture of boiler-turbine sets
• manufacture of turbine-generator sets