| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF | 
| 31 | DF | ELECTRIC OR MAGNETIC IMAGERY, E.G., XEROGRAPHY, ELECTROGRAPHY, MAGNETOGRAPHY, ETC., PROCESS, COMPOSITION, OR PRODUCT {18} | 
| 127 | DF | .~ Process of making radiation-sensitive product {6} | 
| 130 |  | .~.~ Thermal or energy treatment of radiation-sensitive layer, e.g., fusing, annealing, or solvent after treatment of radiation-sensitive layer, etc. |