| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 166 | | PRESSURE VESSELS; CONTAINMENT VESSELS [G21C-13/00] *** (chemical or physical processes B01J-3/00; pressure vessels in general F16J-12/00) {3} |
| DIG 167 | DD | .~> Details (e.g., seals, supporting constructions, ventillating arrangements, tube joints with a vessel wall) [G21C-13/02] {7} |
| DIG 180 | DD | .~> Vessels characterized by the material; Selection of materials for pressure vessels [G21C-13/08] {2} |
| DIG 186 | DD | .~> Means for preventing contamination in the event of leakage (e.g., double wall) [G21C-13/10] |