264 / | HD | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
239 | DF | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10} |
297.1 | DF | .~ Forming plural articles {5} |
297.8 | .~.~ Simultaneous formation of plural articles {1} | |
297.9 | DF | .~.~.~> Of primarily inorganic material (e.g., concrete or ceramic, etc.) |