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 | .~.~ With addition of heat to drying process {3} | |
344 | DF | .~.~.~> Treating agent consists of both solid and liquid |
345 | DF | .~.~.~> Treating agent is a solid {2} |
348 | DF | .~.~.~> Treating agent is a liquid {2} |