| 65 / | HD | GLASS MANUFACTURING |
| 376 | DF | PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS {18} |
| 454 | DF | .~ Formation of fiber or preform utilizing fluid blast (e.g., from molten glass, etc.) {6} |
| 455 | DF | .~.~ During slinging or rotary-centrifugal fiber distribution {4} |
| 457 | ![]() | .~.~.~ Specified composition of slinger or rotary-centrifugal fiber distributor |