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} |
269 | DF | .~.~.~ Including rotating member {2} |
270 | .~.~.~.~ Member is container {2} | |
271 | DF | .~.~.~.~.~> Including internal rotating member |
272 | DF | .~.~.~.~.~> Partitions divide container |