65 / | HD | GLASS MANUFACTURING |
376 | DF | PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS {18} |
443 | DF | .~ With coating (e.g., lubricant, sizing, etc.) {5} |
447 | DF | .~.~ Synthetic resin, natural resin, or asphalt coating {3} |
450 | .~.~.~ Thermosetting or themoplastic resin {1} | |
451 | DF | .~.~.~.~> Nitrogen or phenol containing |