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 264 | .~ Arrangements for removing jammed or damaged fuel elements or control elements; Arrangements for moving broken parts thereof [G21C-19/26] |