250 / | HD | RADIANT ENERGY |
306 | DF | INSPECTION OF SOLIDS OR LIQUIDS BY CHARGED PARTICLES {6} |
440.11 | .~ Analyte supports {3} | |
441.11 | DF | .~.~> With air lock or evacuation means |
442.11 | DF | .~.~> With object moving or positioning means |
443.1 | DF | .~.~> With heat transfer or temperature-indication means |