| 75 / | HD | SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES |
| 330 | DF | PROCESSES {9} |
| 746 | DF | .~ Consolidating metalliferous material (e.g., ore, tailings, flue dust, fluxes, etc.) by agglomerating, compacting, or heat treating; preparatory process therefor; or treating consolidated material therefrom {5} |
| 751 | DF | .~.~ With heat treatment (e.g., calcinating, fusing, indurating, roasting, sintering, vaporizing, etc.) {8} |
| 760 | DF | .~.~.~ In shaft furnace or multi-hearth furnace {1} |
| 761 | | .~.~.~.~ Sintering |