| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 440 | | IRRADIATION DEVICES [G21K-5/00] *** (discharge tubes for irradiating H01J-37/00) {4} |
| DIG 441 | DD | .~> Having no beam-forming means [G21K-5/02] |
| DIG 442 | DD | .~> With beam-forming means [G21K-5/04] |
| DIG 443 | DD | .~> Holder for targets or for other objects to be irradiated [G21K-5/08] |
| DIG 444 | DD | .~> With provision for relative movement of beam source and object to be irradiated [G21K-5/10] |