| 34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
| 282 | DF | PROCESS {24} |
| 443 | DF | .~ Gas or vapor contact with treated material {17} |
| 467 | DF | .~.~ Treatment of gas or vapor {6} |
| 468 | DF | .~.~.~ Condensation of gas or vapor {2} |
| 469 | ![]() | .~.~.~.~ Collecting of condensed gas or vapor {1} |
| 470 | DF | .~.~.~.~.~> With vaporization of condensed gas or vapor |