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Priority to ES28708ApriorityCriticalpatent/ES28708A1/en
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ES28708A1901-10-301901-10-30
A mechanical chemical procedure for extracting and recovering zinc from solid minerals and tailings.
ExpiredES28708A1
(en)
An improved process for separating zinc blende by flotation from minerals, residues, limes, and concentrates and for preparing, when necessary, those minerals so that such separation can be accomplished.