| 1/00 | Electroforming |
| 1/02 | Electroforming Tubes; Rings; Hollow bodies |
| 1/04 | Electroforming Wires; Strips; Foils |
| 1/06 | Electroforming Wholly-metallic mirrors |
| 1/08 | Electroforming Perforated or foraminous objects, e.g. sieves (C25D 1/1 takes precedence) |
| 1/10 | Electroforming Moulds; Masks; Masterforms |
| 1/12 | Electroforming by electrophoresis |
| 1/14 | Electroforming by electrophoresis of inorganic material |
| 1/16 | Electroforming by electrophoresis of inorganic material Metals |
| 1/18 | Electroforming by electrophoresis of organic material |
| 1/20 | Electroforming Separation of the formed objects from the electrodes |
| 1/22 | Electroforming Separation of the formed objects from the electrodes Separating compounds |
| 2/00 | Joining workpieces by electrolysis |
| 3/00 | Electroplating; Baths therefor |
| 3/02 | Electroplating; Baths therefor from solutions (C25D 5/24-C25D 5/32 take precedence) |
| 3/04 | Electroplating; Baths therefor from solutions (C25D 5/24-C25D 5/32 take precedence) of chromium |
| 3/06 | Electroplating; Baths therefor from solutions (C25D 5/24-C25D 5/32 take precedence) of chromium from solutions of trivalent chromium |
| 3/08 | Electroplating; Baths therefor from solutions (C25D 5/24-C25D 5/32 take precedence) of chromium Deposition of black chromium |
| 3/10 | Electroplating; Baths therefor from solutions (C25D 5/24-C25D 5/32 take precedence) of chromium characterised by the organic bath constituents used |
| 3/12 | Electroplating; Baths therefor from solutions (C25D 5/24-C25D 5/32 take precedence) of nickel or cobalt |