| 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 |  | .~.~.~ Nonparticulate metal component {5} |
| 554 | DF | .~.~.~.~> Plural nonparticulate metal components {1} |
| 557 | DF | .~.~.~.~> Plural particulate metal components |
| 558 | DF | .~.~.~.~> Nonparticulate component encloses particles |
| 559 | DF | .~.~.~.~> Particles discontinuous {1} |
| 564 | DF | .~.~.~.~> Nonmetal particles in particulate component |