| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF | 
| 256 |  | STRIPPING PROCESS OR ELEMENT {3} | 
| 257 | DF | .~> Forming composite image, e.g., multiple stripped image layers, etc. | 
| 258 | DF | .~> Forming nonplanar image | 
| 259 | DF | .~> Element {3} |