| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
| 495.1 | DF | RADIATION SENSITIVE PRODUCT {7} |
| 564 | DF | .~ Silver compound sensitizer containing {18} |
| 599 | DF | .~.~ Hypersensitizing or latensifying ingredient containing {5} |
| 601 | | .~.~.~ Phosphorus compound |