IPC Subgroup
B01D 41/04 of rigid self-supporting filtering material
Introduced: September 1968
Last revised: January 2006
Full Title
Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids > of rigid self-supporting filtering material
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION