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vase tootmise konverterprotsessi vahesaadus (sisaldab 98,5-99,5 % Cu), an impure intermediate product in the refining of copper, produced by blowing copper matte in a converter; contains 98.5-99.5% of copper
черновaя медь . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/%D1%87%D0%B5%D1%80%D0%BD%D0%BE%D0%B2a%D1%8F%20%D0%BC%D0%B5%D0%B4%D1%8C/1/rus (21.06.2026)
