| 34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
| 523 | DF | APPARATUS {40} |
| 611 | DF | .~ Sheet, web, or strand {3} |
| 614 | ![]() | .~.~ Sheet on edge {3} |
| 615 | DF | .~.~.~> Stationary support |
| 616 | DF | .~.~.~> Rotary wheellike conveyor |
| 617 | DF | .~.~.~> Endless conveyor with fingers |