DIFF Subgroup
A23B 5/14 Organic compounds; Microorganisms; Enzymes
Introduced: January 1990
Full Title
Preservation of eggs or egg products > Preserving with chemicals > in the form of liquids or solids > Organic compounds; Microorganisms; Enzymes
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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