| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 424 | DD | PEACEFUL APPLICATIONS OF NUCLEAR EXPLOSIVE DEVICES [G21J-3/00] *** (obtaining oil, gas, water, soluble or meltable material from deep wells by means of nuclear energy E21B-43/236F, 43/24F) {1} |
| DIG 425 | | .~ For excavation [G21J-3/02] |