366 / | HD | AGITATING |
241 | DF | STIRRER WITHIN STATIONARY MIXING CHAMBER {10} |
279 | DF | .~ Rotatable stirrer {15} |
325.1 | DF | .~.~ Relatively fixed plural elements {14} |
327.1 | DF | .~.~.~ Of different pitch {2} |
327.2 | .~.~.~.~ Rodlike element having enlarged outer end |