| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF | 
| 449 |  | NONRADIATION SENSITIVE IMAGE PROCESSING COMPOSITIONS OR PROCESS OF MAKING {7} | 
| 450 | DF | .~> Process of preparing composition from plural preformed concentrates | 
| 451 | DF | .~> Hardener {2} | 
| 454 | DF | .~> Shortstop | 
| 455 | DF | .~> Fixer {4} | 
| 461 | DF | .~> Bleach or intensification {1} | 
| 463 | DF | .~> Wash or aftertreat | 
| 464 | DF | .~> Developer {10} |