CPC Subgroup
C25D 21/16 Regeneration of process solutions
Full Title
Processes for servicing or operating cells for electrolytic coating > Regeneration of process solutions
3 direct subcodes
Child Classifications
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- C25D 21/18 of electrolytes (C25D21/22 takes precedence)
- C25D 21/20 of rinse-solutions (C25D21/22 takes precedence)
- C25D 21/22 by ion-exchange