DIFF Subgroup
C02F 11/148 Combined use of inorganic and organic substances, being added in the same treatment step
Introduced: January 2019
Full Title
Treatment of sludge; Devices therefor > by de-watering, drying or thickening > with addition of chemical agents > Combined use of inorganic and organic substances, being added in the same treatment step
No child classifications to compare. This is a leaf node in both IPC and CPC.