34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
282 | DF | PROCESS {24} |
359 | DF | .~ With fluid current conveying or suspension of treated material {3} |
360 | DF | .~.~ Suspension of treated material {10} |
369 | .~.~.~ Including baffle or deflector to adjust material flow |