| 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 |