US PATENT SUBCLASS 976 / DIG 284
.~.~ By vibrational compaction or tamping of fuel in the jacket [G21C-21/04]


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976 /   HD   NUCLEAR TECHNOLOGY

DIG 282  DD  APPARATUS OR PROCESSES SPECIALLY ADAPTED TO THE MANUFACTURE OF REACTORS OR PARTS THEREOF [G21C-21/00] *** (in general Section B, e.g., B23) {1}
DIG 283  DD  .~ Manufacture of fuel elements or breeder elements contained in nonactive casings [G21C-21/02] {8}
DIG 284.~.~ By vibrational compaction or tamping of fuel in the jacket [G21C-21/04]