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CPC Subgroup
B01D 24/34

with the filtering material and its pervious support moving (tipping buckets, trays or like sections B01D33/327)

Full Title

Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (B01D27/02 takes precedence) > with the filtering material and its pervious support moving (tipping buckets, trays or like sections B01D33/327)