| 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 | | .~.~.~ Organic silver compound containing {2} |
| 619 | DF | .~.~.~.~> And inorganic silver compound |
| 620 | DF | .~.~.~.~> Silver salt of organic acid |