DIFF Subgroup
B01F 25/28 Full Title
Flow mixers; Mixers for falling materials, e.g. solid particles (centrifugal mixers B04) > Jet mixers, i.e. mixers using high-speed fluid streams (using jets to create vortex flow B01F25/10)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.