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} |