İngilizce | Almanca | |
---|---|---|
Patent | ||
Patent | copper refining | Kupferraffination |
İngilizce | Almanca | |
---|---|---|
Technical | ||
Technical | secondary copper smelting and refining plant | Sekundärkupferhütte [f] |
Metallurgy | ||
Metallurgy | copper-refining furnace | Kupfergarherd [m] |