IPC Subgroup
C02F 9/2 Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
Introduced: January 2023
Full Title
Multistage treatment of water, waste water or sewage > Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- Subclass:
- TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE