IPC Subgroup
C02F 3/02 Aerobic processes
Introduced: January 1980
Last revised: January 2023
Full Title
Biological treatment of water, waste water, or sewage > Aerobic processes
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- Subclass:
- TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
5 direct subcodes
Child Classifications
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