A47L 9/12 Dry filters
Introduced: September 1968
Full Title
Full titles differ between systems:
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; Dust separators; Dust removal; Automatic exchange of filters > Dry filters
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 > Dry filters
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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