| 62 / | HD | REFRIGERATION |
| 404 | DF | GAS CONTROLLER OR DIRECTOR {5} |
| 407 | DF | .~ Cooled gas directed relative to cooled enclosure {7} |
| 413 | ![]() | .~.~ Means verging gas streams within storage space {2} |
| 414 | DF | .~.~.~> Gas flow forcing means |
| 415 | DF | .~.~.~> Space cooler units in separate streams {1} |