Patent classifications
C
CHEMISTRY; METALLURGY
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C25
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
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C25D
PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
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11/00
Electrolytic coating by surface reaction, i.e. forming conversion layers
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C25D11/04
of aluminium or alloys based thereon
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C25D11/18
After-treatment, e.g. pore-sealing
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