| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 1 | DD | ALLEGED CONTROLLED FUSION REACTORS (G21B-1/00) ** (uncontrolled reactors DIG. 423; arrangements for heating or confining plasma H05H-1/02) {3} |
| DIG 4 | | .~ Using a beam of particles some of which react with other particles [G21B-1/02] |