Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper

Introduced: September 1968

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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B24D 9/003 CPC only CPC only
B24D 9/006 CPC only CPC only
B24D 9/02 Expansible drums for carrying flexible material in tubular form, e.g. expanded by centrifugal force IPC+CPC Available in IPC and CPC
B24D 9/04 Rigid drums for carrying flexible material IPC+CPC Available in IPC and CPC
B24D 9/08 Circular back-plates for carrying flexible material +1 CPC IPC+CPC Available in IPC and CPC