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DIFF Subgroup
B04C 5/15

with swinging flaps or revolving sluices; Sluices; Check-valves

Introduced: September 1968

Full Title

Apparatus in which the axial direction of the vortex is reversed > Construction of the underflow ducting; Apex constructions; Discharge arrangements > with swinging flaps or revolving sluices; Sluices; Check-valves

No child classifications to compare. This is a leaf node in both IPC and CPC.