CPC Subgroup
C02F 3/1278 Full Title
Biological treatment of water, waste water, or sewage > Aerobic processes > Activated sludge processes
3 direct subcodes
Child Classifications
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C02F 3/1278 Biological treatment of water, waste water, or sewage > Aerobic processes > Activated sludge processes
3 direct subcodes
Navigate with arrow keys, Enter to open