| 75 / | HD | SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES |
| 330 | DF | PROCESSES {9} |
| 392 | DF | .~ Producing or treating free metal {10} |
| 414 | DF | .~.~ At 300 degrees C or greater (e.g., pyrometallurgy, etc.) {7} |
| 585 | DF | .~.~.~ Nonferrous {25} |
| 671 | DF | .~.~.~.~ Aluminum(Al) {4} |
| 673 | | .~.~.~.~.~ Reduction {3} |
| 674 | DF | .~.~.~.~.~.~> Carbothermic |
| 675 | DF | .~.~.~.~.~.~> Decomposition of organo-compound containing Aluminum(Al) |
| 676 | DF | .~.~.~.~.~.~> Of Aluminum(Al) halide {1} |