| 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 | | .~.~ Into a liquid bath {6} |
| 179 | DF | .~.~.~> With purifying or replenishing of bath |
| 180 | DF | .~.~.~> Liquid of bath is in motion {1} |
| 182 | DF | .~.~.~> Polyacrylonitrile containing extrudant |
| 183 | DF | .~.~.~> Reactive bath {4} |
| 203 | DF | .~.~.~> Liquid is solvent extractive |
| 178 F | DF | .~.~.~> Filaments |