| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
| 495.1 | DF | RADIATION SENSITIVE PRODUCT {7} |
| 523 | DF | .~ Identified backing or protective layer containing {5} |
| 527 | ![]() | .~.~ Antistatic agent containing {3} |
| 528 | DF | .~.~.~> Ammonium salt |
| 529 | DF | .~.~.~> Organic carboxylic, sulfur or phosphorus acid or salt |
| 530 | DF | .~.~.~> Elemental metal or metal salt |