| 422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
| 243 | DF | PHYSICAL TYPE APPARATUS {8} |
| 292 | DF | .~ Apparatus for treating solid article or material with fluid chemical {4} |
| 293 | ![]() | .~.~ Fluid having simultaneous diverse function |