222 / | HD | DISPENSING |
251 | DF | WITH DISCHARGE ASSISTANT (E.G., IMPELLER, PUMP, CONVEYER, MOVABLE TRAP CHAMBER, ETC.) {30} |
282 | DF | .~ With discharge volume varying means {12} |
292 | ![]() | .~.~ Interconnected radially movable adjusting means for plural rotor projection or traps |