| 165 / | HD | HEAT EXCHANGE |
| 148 | ![]() | RADIATOR CORE TYPE {4} |
| 149 | DF | .~> With edge cover or frame means |
| 150 | DF | .~> Serially connected tube sections |
| 151 | DF | .~> Side-by-side tubes traversing fin means |
| 152 | DF | .~> Deformed sheet forms passages between side-by-side tube means {1} |