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 | DF | .~.~ Antistatic agent containing {3} |
528 | .~.~.~ Ammonium salt |