| 264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| 165 | DF | FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8} |
| 176.1 | DF | .~ Shaping by extrusion {11} |
| 178 R | DF | .~.~ Into a liquid bath {6} |
| 183 | DF | .~.~.~ Reactive bath {4} |
| 184 | DF | .~.~.~.~ Synthetic resin containing extrudant {1} |
| 185 | | .~.~.~.~.~ Polyvinyl alcohol containing |