Patent classifications
C
CHEMISTRY; METALLURGY
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C25
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
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C25C
PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
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3/00
Electrolytic production, recovery or refining of metals by electrolysis of melts
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C25C3/14
Devices for feeding or crust breaking
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