Copper Leaching and Concentration
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✎ Suggest a correctionRecovering copper from old mine workings by leaching; concentrating low-grade ore for smelter: crushing; screening; grinding, separating by flotation; disposal of
Complete catalog record
Type: Motion Picture
Sources
- 3434 U.S. Government Films — title, year, creator, format, description, catalog record
Record added 2026-07-13 14:19:15 · Suggest a correction