4. Metallurgical apparatus
  5. Means for extracting and refining metal

Evgeny S. Grin-Gnatovsky

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Pyrometallurgical method and furnace for processing heavy nonfer

Metallurgical apparatus – Means for extracting and refining metal
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Pyrometallurgical method for processing heavy nonferrous metal r

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
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