| 976 / | HD | NUCLEAR TECHNOLOGY |
|
| DIG 355 |  | SHIELDED CELLS OR ROOMS [G21F-7/00] {5} |
| DIG 356 | DD | .~> Shielded passages through walls; Locks; Transferring devices between rooms [G21F-7/00B] *** (between glove-boxes DIG. 362) {1} |
| DIG 358 | DD | .~> Room atmosphere, temperature or pressure control devices [G21F-7/00C] *** (glove-boxes DIG. 364) |
| DIG 359 | DD | .~> Observation devices permitting vision but shielding the observer (e.g., window, periscope) [G21F-7/02] {1} |
| DIG 361 | DD | .~> Shielded glove-boxes [G21F-7/04] {5} |
| DIG 367 | DD | .~> Structural combination with remotely controlled apparatus (e.g., with manipulators) [G21F-7/06] {6} |