ES67467A1 - Un procedimiento para desazufrar y para extraer el zinc de los residuos de piritas calcinadas y para aglomerar estos últimos.
- Google Patents
Un procedimiento para desazufrar y para extraer el zinc de los residuos de piritas calcinadas y para aglomerar estos últimos.
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ES67467A1918-07-161918-07-16Un procedimiento para desazufrar y para extraer el zinc de los residuos de piritas calcinadas y para aglomerar estos últimos.
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