| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF | 
| 495.1 | DF | RADIATION SENSITIVE PRODUCT {7} | 
| 564 | DF | .~ Silver compound sensitizer containing {18} | 
| 570 | DF | .~.~ Spectral sensitizing {6} | 
| 572 | DF | .~.~.~ Multiple sensitizers or supersensitizing {4} | 
| 575 |  | .~.~.~.~ Inorganic material containing |