422 / | HD | CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING |
129 | DF | CHEMICAL REACTOR {28} |
164 | ![]() | .~ Solid reactant type (i.e., absence of fluid reactants) {2} |
165 | DF | .~.~> Including ignition means for reactant {1} |
167 | DF | .~.~> Including reactor cooling means surrounding reactor |