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C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
C25D11/02—Anodisation
C25D11/04—Anodisation of aluminium or alloys based thereon
C25D11/18—After-treatment, e.g. pore-sealing
C25D11/24—Chemical after-treatment
C25D11/246—Chemical after-treatment for sealing layers
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DK53305D1934-11-071935-08-31Fremgangsmaade til elektrolytisk Fremstilling af farveløse, gennemsigtige Oksydlag paa Aluminium og Aluminiumlegeringer.
DK53305C
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Fremgangsmåde til elektrolytisk fremstilling af farvede oksydlag, eller efterfarvning af allerede frembragte, endnu friske oksydlag, på aluminium og aluminiumlegeringer.