CPC Subgroup
C25D 11/20 Electrolytic after-treatment
Full Title
Electrolytic coating by surface reaction, i.e. forming conversion layers > Anodisation > of aluminium or alloys based thereon > After-treatment, e.g. pore-sealing > Electrolytic after-treatment
1 direct subcode
Child Classifications
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- C25D 11/22 for colouring layers