| 222 / | HD | DISPENSING |
| 251 | DF | WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30} |
| 344 | DF | .~ Movable or conveyer-type trap chamber {9} |
| 356 | DF | .~.~ Dipping trap chamber, nonrotary, nonendless belt {2} |
| 358 | ![]() | .~.~.~ Oscillating |