| 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 291 | | .~.~ Manufacture of control elements covered by DIG. 113+ [G21C-21/18] |