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Helfenstein Elektro Ofen GmbH
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Helfenstein Elektro Ofen GmbH
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Priority to ES57532ApriorityCriticalpatent/ES57532A1/en
Publication of ES57532A1publicationCriticalpatent/ES57532A1/en
ES57532A1914-02-161914-02-16
Procedure for the extraction of metallic vapors in the electric furnace, especially zinc from minerals.
ExpiredES57532A1
(en)
The industrial procedure to produce, with the intervention of the electric furnace, the metallic alloys called silicospiegel, silico-manganese or ferrosilico-manganese.