75 / | HD | SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES |
330 | DF | PROCESSES {9} |
343 | DF | .~ Producing or purifying free metal powder or producing or purifying alloys in powder form (i.e., named or of size up to 1,000 microns in its largest dimension) {9} |
370 | .~.~ Using nonmetallic material which is liquid under standard conditions {1} | |
371 | DF | .~.~.~> And settling of free metal from solution {3} |