| 422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
| 243 | DF | PHYSICAL TYPE APPARATUS {8} |
| 255 | DF | .~ Means separating or dissolving a material constituent {3} |
| 261 | DF | .~.~ Liquid-solid contact means {17} |
| 276 | ![]() | .~.~.~ Side wall of holder perforated {1} |
| 277 | DF | .~.~.~.~> Perforations of holder form inlet for solvent |