DIFF Subgroup
A45D 20/30 Electric circuitry specially adapted for hair drying devices
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 > Electric circuitry specially adapted for hair drying devices
CPC:
Hair drying devices; Accessories therefor (A45D2/00 takes precedence) > Helmets with hot air supply or ventilating means, e.g. electrically heated air current > Electric circuitry specially adapted for hair drying devices
No child classifications to compare. This is a leaf node in both IPC and CPC.