| 75 / | HD | SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES |
| 330 | DF | PROCESSES {9} |
| 10.1 | DF | .~ Electrothermic processes (e.g., microwave, induction, resistance, electric arc, plasma, etc.) {17} |
| 10.46 | DF | .~.~ Adding solid treating agent, slag or flux {6} |
| 10.54 | DF | .~.~.~ Alkali metal, Alkaline earth metal, or compound thereof {4} |
| 10.56 | | .~.~.~.~ Calcium carbide |