| 34 / | HD | DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS |
| 282 | DF | PROCESS {24} |
| 329 | DF | .~ With contacting of material treated with solid or liquid agent {5} |
| 343 | DF | .~.~ With addition of heat to drying process {3} |
| 348 | DF | .~.~.~ Treating agent is a liquid {2} |
| 350 | | .~.~.~.~ Treating solid material {2} |
| 351 | DF | .~.~.~.~.~> Treating agent displaces moisture |
| 352 | DF | .~.~.~.~.~> Treating agent absorbs moisture |