| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF | 
| 495.1 | DF | RADIATION SENSITIVE PRODUCT {7} | 
| 564 | DF | .~ Silver compound sensitizer containing {18} | 
| 617 | DF | .~.~ Silver compound other than halide, per se, or composition for thermographic process {1} | 
| 618 | DF | .~.~.~ Organic silver compound containing {2} | 
| 619 |  | .~.~.~.~ And inorganic silver compound |