| 73 | Metals and metal products |
| 7309 | Tanks, vessels, tanks and analogies. sizes of ferrous. met., for lili., vesch-b (kr. szhat.ili liquefied. gas) capacity exceeding 300 liters, lined or termoiz. or without them, but without mechanical. equipment. |
| 730900 | Tanks, vessels, tanks and analogies. sizes of ferrous. met., for lili., vesch-b (kr. szhat.ili liquefied. gas) capacity exceeding 300 liters, lined or termoiz. or without them, but without mechanical. equipment. |
| 7309009000 | Tanks made of ferrous metals for solids |