| 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} | 
| 56 | DF | .~ Radiation-sensitive composition or product {10} | 
| 70 | DF | .~.~ Radiation-conductive composition contains carbocyclic ring only {2} | 
| 73 |  | .~.~.~ Containing amino or substituted amino group {1} | 
| 74 | DF | .~.~.~.~> Alkyl amino group |