209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
233 | DF | SIFTING {16} |
* | DD | .~ Plane sifters {2} |
* | DD | .~.~ Horizontal and inclined {4} |
* | DD | .~.~.~ Reciprocating {6} |
346 | DF | .~.~.~.~ With vertical shake {2} |
348 | DF | .~.~.~.~.~ Pivoted {1} |
349 | .~.~.~.~.~.~ With impact |