| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 1 | | ALLEGED CONTROLLED FUSION REACTORS (G21B-1/00) ** (uncontrolled reactors DIG. 423; arrangements for heating or confining plasma H05H-1/02) {3} |
| DIG 2 | DD | .~> Combined fission-fusion reactors [G21B-1/00B] *** (see also DIG. 5+) |
| DIG 3 | DD | .~> Inertial confinement fusion reactor [G21B-1/00C] *** (plasma produced by laser H05H-1/22B; by particle beam H05H-1/22C) |
| DIG 4 | DD | .~> Using a beam of particles some of which react with other particles [G21B-1/02] |