| 264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| 219 | DF | WITH STEP OF MAKING MOLD OR MOLD SHAPING, PER SE {1} |
| 220 | DF | .~ Utilizing surface to be reproduced as an impression pattern {4} |
| 225 | | .~.~ Forming mold from fluent material {1} |
| 226 | DF | .~.~.~> With initial molding or treating of a surface to be reproduced {1} |