DIFF Subgroup
B07B 7/02 by reversal of direction of flow
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Selective separation of solid materials carried by, or dispersed in, gas currents > by reversal of direction of flow
CPC:
Selective separation of solid materials carried by, or dispersed in, gas currents (sieves or filters for separating dispersed particles from gases or vapours B01D) > by reversal of direction of flow
No child classifications to compare. This is a leaf node in both IPC and CPC.