209 / | HD | CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS |
509 | DF | SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11} |
606 | DF | .~ Separating means {33} |
629 | DF | .~.~ Diverse {5} |
631 | .~.~.~ Including separation effected by items following different trajectories through space |