| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 396 | DD | ARRANGEMENTS FOR CONVERTING CHEMICAL ELEMENTS BY ELECTROMAGNETIC RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT (e.g., producing radioactive isotopes) [G21G-1/00] {2} |
| DIG 398 | DD | .~ Outside of nuclear reactors or particle accelerators [G21G-1/04] {3} |
| DIG 401 | | .~.~ By bombardment with electrically charged particles [G21G-1/10] *** (irradiation devices DIG. 440+) |