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4 results returnedCopper availability--market economy countries :a mineral's availability program appraisal
Phosphate rock availability--world :a minerals availability program appraisal
The availability of primary copper in market economy countries :a minerals availability appraisal
Published Year
Subject
- Copper industry and trade (2)
- Lead industry and trade (1)
- Lead mines and mining (1)
- Phosphate industry (1)
- Phosphate mines and mining (1)
- Zinc industry and trade (1)
- Zinc mines and mining (1)
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