| 976 / | HD | NUCLEAR TECHNOLOGY |
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| DIG 99 | DD | MODERATOR OR CORE STRUCTURE; SELECTION OF MATERIALS FOR USE AS MODERATOR [G21C-5/00] {4} |
| DIG 100 |  | .~ Details [G21C-5/02] {4} |
| DIG 101 | DD | .~.~> Spatial arrangements allowing for Wigner growth [G21C-5/04] |
| DIG 102 | DD | .~.~> Means for locating or supporting fuel elements [G21C-5/06] *** (means forming part of the element DIG. 48) |
| DIG 103 | DD | .~.~> Means for preventing undesired asymmetric expansion of the complete structure (e.g., stretching devices, pins) [G21C-5/08] |
| DIG 104 | DD | .~.~> Means for supporting the complete structure [G21C-5/10] *** (arrangements for supporting vessels and core structure DIG. 168) |