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 > Bags or the like; Attachment of, or closures for, bags