| 976 / | HD | NUCLEAR TECHNOLOGY |
|
| DIG 207 |  | MONITORING; TESTING; MAINTAINING [G21C-17/00] {9} |
| DIG 208 | DD | .~> Mechanical simulators [G21C-17/00B] *** (electrical or magnetic simulators G06G-7/54) |
| DIG 209 | DD | .~> Detection of leaks [G21C-17/00C] *** (by testing the coolant or the moderator DIG. 224) |
| DIG 210 | DD | .~> Remote inspection of vessels (e.g., pressure vessels) [G21C-17/00D] {3} |
| DIG 214 | DD | .~> Inspection or maintenance of pipe-lines or tubes in nuclear installations [G21C-17/00F] |
| DIG 215 | DD | .~> Devices or arrangements for monitoring coolant or moderator [G21C-17/02] {7} |
| DIG 231 | DD | .~> Devices or arrangements for monitoring or testing fuel or fuel elements (e.g., for burn-up, for contamination, for leak-tightness) not during reactor operation [G21C-17/06] *** (DIG. 235, DIG. 236 take precedence) (detection of leaking fuel elements during reactor operation DIG. 224) {3} |
| DIG 235 | DD | .~> Structural combination of reactor core or moderator structure with viewing means (e.g., with television camera, periscope, window) [G21C-17/08] |
| DIG 236 | DD | .~> Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments (e.g., for measuring temperature) [G21C-17/10] {6} |
| DIG 243 | DD | .~> Period meters [G21C-17/14] |