| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 355 | DD | SHIELDED CELLS OR ROOMS [G21F-7/00] {5} |
| DIG 367 | DD | .~ Structural combination with remotely controlled apparatus (e.g., with manipulators) [G21F-7/06] {6} |
| DIG 374 | | .~.~ Remotely manipulating devices for fluids [G21F-7/06H] |