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PCE
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DIFF Subgroup
B01D 33/48

by flushing, e.g. counter-current air-bumps

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Filters with filtering elements which move during the filtering operation > Regenerating the filter material in the filter > by flushing, e.g. counter-current air-bumps

CPC:

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) > Regenerating the filter material in the filter (devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration, B01D35/12) > by flushing, e.g. counter-current air-bumps

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1990.

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