B08B 9/0821 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B08B 9/0821

Full Title

Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning containers, e.g. tanks

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.