209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
132 | DF | FLUID SUSPENSION {2} |
133 | DF | .~ Gaseous {7} |
142 | DF | .~.~ Grading deposition {1} |
143 | DF | .~.~.~ With deflection {4} |
713 | DF | .~.~.~.~ Mechanically induced swirling {1} |
714 | .~.~.~.~.~ Eduction rotor |