| 976 / | HD | NUCLEAR TECHNOLOGY |
| DIG 427 | DD | ARRANGEMENTS FOR HANDLING RADIATION OR PARTICLES (e.g., focusing, moderating [G21K-1/00] *** (radiation filters DIG. 435) {6} |
| DIG 432 | | .~ Deviation, concentration or focusing of the beam by electric or magnetic means [G21K-1/08] *** (electron-optical arrangements in electric discharge tubes H01J-29/46; details (e.g., electric or magnetic deviating means for direct voltage accelerators or in accelerators using single pulses) H05H-5/02; arrangements for injecting particles into orbits H05H-7/08; arrangements for ejecting particles from orbits H05H-7/10) {2} |
| DIG 433 | DD | .~.~> By electrical means [G21K-1/087] |
| DIG 434 | DD | .~.~> By magnetic means [G21K-1/093] |