| 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} |
| 552 | DF | .~ Condition responsive means controls separating means {13} |
| 555 | | .~.~ Diverse {3} |
| 556 | DF | .~.~.~> Diverse electrical tests |
| 557 | DF | .~.~.~> Including noncondition-responsive separating means |
| 558 | DF | .~.~.~> At single station |