| 428 / | HD | STOCK MATERIAL OR MISCELLANEOUS ARTICLES |
| 922 | DF | STATIC ELECTRICITY METAL BLEED-OFF METALLIC STOCK* {6} |
| * | | .~ Product by special process {7} |
| 934 | DF | .~.~> Electrical process {1} |
| 936 | DF | .~.~> Chemical deposition (e.g., electroless plating, etc.) |
| 937 | DF | .~.~> Sprayed metal |
| 938 | DF | .~.~> Vapor deposition or gas diffusion |
| 939 | DF | .~.~> Molten or fused coating |
| 940 | DF | .~.~> Pressure bonding (e.g., explosive, etc.) |
| 941 | DF | .~.~> Solid state alloying (e.g., diffusion, to disappearance of an original layer) |