| 165 / | HD | HEAT EXCHANGE |
| DIG 454 | DD | HAVING SIDE-BY-SIDE CONDUITS STRUCTURE OR CONDUIT SECTION {16} |
| DIG 507 | ![]() | .~ Straight side-by-side conduits joined for flow of one fluid {2} |
| DIG 508 | DD | .~.~> Side-by-side conduits penetrate parallel plate-type fins |
| DIG 509 | DD | .~.~> Side-by-side conduits lie in common plane |