| 250 / | HD | RADIANT ENERGY |
|
| 336.1 | DF | INVISIBLE RADIANT ENERGY RESPONSIVE ELECTRIC SIGNALLING {16} |
| 390.01 |  | .~ Neutron responsive means {10} |
| 390.02 | DF | .~.~> Radiographic analysis |
| 390.03 | DF | .~.~> With dose measurement |
| 390.04 | DF | .~.~> Composition analysis {1} |
| 390.06 | DF | .~.~> Density/thickness/consistency analysis |
| 390.07 | DF | .~.~> Spectrum analysis {2} |
| 390.1 | DF | .~.~> Including beam control |
| 390.11 | DF | .~.~> Including a scintillator |
| 390.12 | DF | .~.~> Position-sensitive |
| 391 | DF | .~.~> Methods |
| 392 | DF | .~.~> With indicating or recording means |