DIFF Subgroup
A23B 4/044 Smoking; Smoking devices
Introduced: January 1990
Full Title
Preservation of meat, sausages, fish or fish products > Smoking; Smoking devices
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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- A23B 4/048 with addition of chemicals other than natural smoke since 1990 IPC+CPC Available in IPC and CPC
- A23B 4/056 Smoking combined with irradiation or electric treatment, e.g. electrostatic smoking since 1990 IPC+CPC Available in IPC and CPC