DIFF Subgroup
B01D 33/74 for discharging filtrate
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Filters with filtering elements which move during the filtering operation > having feed or discharge devices > for discharging filtrate
CPC:
Filters with filtering elements which move during the filtering operation (filters comprising loose filtering material moving or fluidised during filtration B01D24/28 - B01D24/36; centrifuges B04B) > having feed or discharge devices (B01D33/82 takes precedence) > for discharging filtrate
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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