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Publication of CA50416ApublicationCriticalpatent/CA50416A/fr
Improvements in the Method of and Apparatus for Electrically Heating or Working Metal or other Materials capable of Momentarily Withstanding the Heat of an Electric Arc.
An Improved Method or Process and Apparatus for Obtaining Chlorine and Zinc in the Treatment of Ores containing Zinc or Blende and other Metals and Metalloids.