A23B 4/021 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

A23B 4/021

Full Title

Preservation of meat, sausages, fish or fish products > Preserving by means of inorganic salts (apparatus therefor A23B4/26, A23B4/32)

This code exists only in CPC.

Diff view requires codes present in both systems.