| 428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
|
| 544 | DF | ALL METAL OR WITH ADJACENT METALS {31} |
| 546 | DF | .~ Having metal particles {4} |
| 548 | DF | .~.~ Composite; i.e., plural, adjacent, spatially distinct metal components (e.g., layers, etc.) {5} |
| 553 | DF | .~.~.~ Nonparticulate metal component {5} |
| 559 | DF | .~.~.~.~ Particles discontinuous {1} |
| 560 | DF | .~.~.~.~.~ Separated by nonmetal matrix or binder (e.g., welding electrode, etc.) {2} |
| 562 | DF | .~.~.~.~.~.~ Nonparticulate component has Fe-base {1} |
| 563 |  | .~.~.~.~.~.~.~ Next to Fe-containing particles |