IPC Subgroup
C25F 3/08 of refractory metals
Introduced: July 1974
Last revised: January 2006
Full Title
Electrolytic etching or polishing > Etching > of refractory metals
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- Subclass:
- PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR