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} |
331.06 | DF | .~ Wheeled rack {5} |
331.07 | .~.~ Simultaneous charging or discharging of charge-supporting elements |