| 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} |
| 654 | DF | .~.~.~.~ Zinc(Zn) {3} |
| 663 | DF | .~.~.~.~.~ Treating molten or vaporous Zinc(Zn) {2} |
| 665 | DF | .~.~.~.~.~.~ Vaporizing or condensing {2} |
| 666 | | .~.~.~.~.~.~.~ Condensing with Lead(Pb) coolant |