DIFF Subgroup
A45D 20/38 Arrangement of the electric heating means
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Hair drying devices; Accessories therefor > Helmets with hot air supply or ventilating means, e.g. electrically heated air current > Arrangement of the electric heating means
CPC:
Hair drying devices; Accessories therefor (A45D2/00 takes precedence) > Helmets with hot air supply or ventilating means, e.g. electrically heated air current > Arrangement of the electric heating means
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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