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C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B30/00—Obtaining antimony, arsenic or bismuth
C22B30/02—Obtaining antimony
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FR352136D1905-03-061905-03-06
Method and apparatus for processing ores containing antimony, and obtaining coloring matter using these ores
ExpiredFR352136A
(en)
Process and industrial air drying apparatus for all applications in ventilation and in the desiccation of substances and in general all physical or chemical operations