| 366 / | HD | AGITATING |
| 150.1 | DF | HAVING SPECIFIED FEED MEANS {16} |
| 177.1 | DF | .~ Plural related feeders having separate outlets to mixing chamber {9} |
| 178.1 | DF | .~.~ Concentric {2} |
| 178.3 | ![]() | .~.~.~ Inner feeder passes through wall of outer feeder and extends along common axis at the wall |