CPC Subgroup
B01D 33/72 for feeding
Full Title
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 feeding
3 direct subcodes
Child Classifications
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