DIFF Subgroup
A23G 9/22 Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
Introduced: July 1974
Full Title
Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor > Production of frozen sweets, e.g. ice-cream > Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
CPC subdivides this area 2x more granularly than IPC with 5 additional codes.
5 codes are CPC-only extensions.
IPC defines codes here since 1974.
Child Classifications
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