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general copper ore cut off grade in sweden

Sep 09 2020 · For example 1000 kilograms of copper ore containing 300 kilograms of copper metal has a grade of 30 percent When metal is at a much lower concentration it ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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