US PATENT SUBCLASS 976 / DIG 260
.~.~ Arrangements for handling ball-form (i.e., pebble fuel) [G21C-19/20A]


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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 259  DD  .~ Arrangements for introducing object into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel [G21C-19/20] {3}
DIG 260.~.~ Arrangements for handling ball-form (i.e., pebble fuel) [G21C-19/20A]