| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 296 | DD | CONTROL OF NUCLEAR POWER PLANT [G21D-3/00] *** (control of nuclear reaction in general DIG. 113) {3} |
| DIG 300 | DD | .~ Regulation of any parameters in the plant [G21D-3/08] {3} |
| DIG 305 | | .~.~ By adjustment of plant external to the reactor only in response to change in reactivity [G21D-3/18] |