Description
Class C23C : COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
Subclass 2/32: Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor using vibratory energy applied to the bath or substrate (C23C 2/14 takes precedence)