| 430 / | HD | RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF |
| 141 | DF | DIAZO REPRODUCTION, PROCESS, COMPOSITION, OR PRODUCT {7} |
| 154 | DF | .~ Composition or product which contains radiation sensitive compound having moiety of nitrogen double or triple bonded directly to nitrogen other than chromophore moiety, e.g., triazene containing product, etc., process of making, and composition or product used to finish or develop a diazo reproduction {3} |
| 155 | DF | .~.~ Product with at least two named layers {5} |
| 167 | | .~.~.~ Azide containing layer |