593 39 | FUEL, FISSION |
593 40 | FUEL EQUIPMENT, NUCLEAR |
593 41 | FUEL, REACTORS: URANIUM, IRIDIUM, PLUTONIUM |
593 47 | INDUSTRIAL NUCLEONIC INSTRUMENTS |
593 48 | IRRADIATION EQUIPMENT, ATOMIC OR NUCLEAR ENERGY |
593 50 | NUCLEAR ENERGY MACHINERY AND EQUIPMENT: SUBCRITICAL ASSY., DOSIMETRY EQUIPMENT, HOT CELL DEVICES, ETC. |
593 64 | REACTOR EQUIPMENT, NUCLEAR |
593 67 | REFURBISHED NUCLEAR EQUIPMENT, COMPONENTS, ACCESSORIES, AND SUPPLIES |
593 74 | SHIELDING EQUIPMENT, RADIATION |
593 90 | WASTE COLLECTION EQUIPMENT, RADIOACTIVE |