250 / | HD | RADIANT ENERGY |
428 | DF | FLUENT MATERIAL CONTAINMENT, SUPPORT OR TRANSFER MEANS {4} |
432 R | DF | .~ With irradiating source or radiating fluent material {4} |
435 | DF | .~.~ Including a flowthrough transfer means {3} |
436 | .~.~.~ Flow-enclosed radiation source |