| 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 257 | | .~ Articulated or telescopic chutes or tubes for the connection to channels in the reactor core [G21C-19/16] |