| 428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| 922 | DF | STATIC ELECTRICITY METAL BLEED-OFF METALLIC STOCK* {6} |
| FOR 105 | DF | .~ Including a second component containing structurally defined fibers (428/297) {3} |
| FOR 112 | DF | .~.~ Void-containing component has a continuous matrix of fibers only (e.g., porous paper, etc.) (428/311.1) {2} |
| FOR 114 | DF | .~.~.~ Fibers of defined composition (428/311.5) {1} |
| FOR 115 | | .~.~.~.~ Cellulosic (428/311.7) {1} |
| FOR 116 | DF | .~.~.~.~.~> Plural cellulosic components (428/311.9) |