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 435 | DD | .~ Scattering devices; Absorbing devices [G21K-1/10] {1} |
DIG 436 | .~.~ Resonant absorbers or driving arrangements therefor (e.g., for Moessbauer-effect devices) [G21K-1/12] *** (motors with reciprocating, oscillating or vibrating magnet, armature or coil system in general H02K-33/00) |