44 / | HD | FUEL AND RELATED COMPOSITIONS |
550 | DF | CONSOLIDATED SOLIDS (E.G., BRIQUETTE, ETC.) {5} |
551 | DF | .~ Containing specified binder {15} |
564 | DF | .~.~ Tar, pitch, or tar oil {4} |
567 | .~.~.~ With fibrous vegetable material (e.g., cellulose, wood, paper, sawdust, etc.) |