| 62 / | HD | REFRIGERATION | 
| 272 | DF | WITH MEANS PREVENTING OR HANDLING ATMOSPHERIC CONDENSATE RELATIVE TO HEAT ABSORBER {9} | 
| 277 | DF | .~ Means utilizing heat developed by refrigeration producer {2} | 
| 279 |  | .~.~ Means conducting atmospheric condensate to heat rejecter {1} | 
| 280 | DF | .~.~.~> Pump or thrower for condensate |