| 366 / | HD | AGITATING |
| 241 | DF | STIRRER WITHIN STATIONARY MIXING CHAMBER {10} |
| 279 | DF | .~ Rotatable stirrer {15} |
| 292 | DF | .~.~ Plural stirrers {2} |
| 293 | | .~.~.~ Coaxial {3} |
| 294 | DF | .~.~.~.~> Differing in speed |
| 295 | DF | .~.~.~.~> Diverse stirrers |
| 296 | DF | .~.~.~.~> Rotating in opposite directions |