264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
165 | DF | FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8} |
171.1 | DF | .~ Layered, stratified traversely of length, or multiphase macrostructure containing material (e.g., conjugate, composite, islands-in-sea, core-sheath, etc.) {8} |
172.19 | DF | .~.~ Producing indefinite length article by depositing material on endless forming surface (e.g., endless belts, rollers, etc.) {1} |
173.1 | .~.~.~ Including roller-type shaping surface (e.g., calendering, etc.) |