| 414 / | HD | MATERIAL OR ARTICLE HANDLING |
| 331.01 | DF | MOVABLE RACK HAVING SUPERPOSED, CHARGE-SUPPORTING ELEMENTS, AND EXTERNAL MEANS FOR CHARGING OR DISCHARGING ELEMENTS {5} |
| 331.02 | DF | .~ Rotating or circulating rack {3} |
| 331.05 | ![]() | .~.~ Rack as a unit rotating about vertical axis |