| 378 / | HD | X-RAY OR GAMMA RAY SYSTEMS OR DEVICES |
| 1 | DF | SPECIFIC APPLICATION {14} |
| 70 | DF | .~ Diffraction, reflection, or scattering analysis {3} |
| 71 | DF | .~.~ Diffractometry {3} |
| 79 | | .~.~.~ Analyte support {2} |
| 80 | DF | .~.~.~.~> With environmental control |
| 81 | DF | .~.~.~.~> Goniometer |