IPC Main Group
B04C 7/00 Apparatus not provided for in group , or; Multiple arrangements not provided for in one of the groups , , or; Combinations of apparatus covered by two or more of the groups , , or
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- Subclass:
- APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES