IPC Subgroup
B01D 39/06 Inorganic material, e.g. asbestos fibres, glass beads or fibres
Introduced: September 1968
Last revised: January 2006
Full Title
Filtering material for liquid or gaseous fluids > Loose filtering material, e.g. loose fibres > Inorganic material, e.g. asbestos fibres, glass beads or fibres
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION