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 |