48.12.00 Nuclear Fuel Plant Electrical Power Generation Equipment
48.12.13.16 Nuclear Fuel Fusion Reactors
48.12.13 Nuclear Fuel Reactors 48.12.13.13 Nuclear Fuel Fission Reactors 48.12.13.16 Nuclear Fuel Fusion Reactors 48.12.23 Nuclear Fuel Electrical Power Plant Steam Generators 48.12.26 Nuclear Fuel Electrical Power Plant Condensers 48.12.29 Nuclear Fuel Electrical Power Plant Turbines 48.12.33 Nuclear Fuel Electrical Power Generators