| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 187 | DD | COOLING ARRANGEMENTS WITHIN THE PRESSURE VESSEL CONTAINING THE CORE; SELECTION OF SPECIFIC COOLANTS [G21C-15/00] {7} |
| DIG 199 | | .~ Promoting flow of the coolant [G21C-15/24] {4} |
| DIG 200 | DD | .~.~> For liquids [G21C-15/24B] {2} |
| DIG 203 | DD | .~.~> For gases (ventilators) [G21C-15/24D] |
| DIG 204 | DD | .~.~> Heat-pipes [G21C-15/24F] |
| DIG 205 | DD | .~.~> By convection (e.g., using chimneys, using divergent channels [G21C-15/26] |