DIFF Subgroup
A45D 20/46 provided with tubes for exhausting the hot air
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Hair drying devices; Accessories therefor > Hair-drying helmets whereon the ventilating means and the heating means are apart from the helmet > provided with tubes for exhausting the hot air
CPC:
Hair drying devices; Accessories therefor (A45D2/00 takes precedence) > Hair-drying helmets whereon the ventilating means and the heating means are apart from the helmet > provided with tubes for exhausting the hot air
No child classifications to compare. This is a leaf node in both IPC and CPC.