CPC Subgroup
A47L 9/18 Liquid filters
Full Title
Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners > Filters (in general B01D; cyclones B04C); Dust separators; Dust removal; Automatic exchange of filters > Liquid filters
5 direct subcodes
Child Classifications
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