34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
282 | DF | PROCESS {24} |
443 | DF | .~ Gas or vapor contact with treated material {17} |
444 | DF | .~.~ Sheet, web, or strand {7} |
459 | DF | .~.~.~ Running length of treated material {3} |
460 | .~.~.~.~ Gas or vapor suspends treated material {1} | |
461 | DF | .~.~.~.~.~> Gas or vapor directed to opposed surfaces of material |