| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 244 | DD | ARRANGEMENTS FOR TREATING, FOR HANDLING, OR FOR FACILITATING THE HANDLING OF, FUEL OR OTHER MATERIALS WHICH ARE USED WITHIN THE REACTOR (e.g., within its pressure vessel) [G21C-19/00] {11} |
| DIG 245 | DD | .~ Details of handling arrangements [G21C-19/02] {5} |
| DIG 255 | | .~.~ Arrangements for exerting direct hydraulic or pneumatic force on fuel element or on control element [G21C-19/12] |