IPC Subgroup
C25B 13/08 based on organic materials
Introduced: July 1974
Last revised: January 2006
Full Title
Diaphragms; Spacing elements > characterised by the material > based on organic materials
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- Subclass:
- ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR