CPC Subgroup
A42B 1/008 with means for heating or cooling (ventilating arrangements for head coverings A42C5/04)
Full Title
Hats; Caps; Hoods > with means for heating or cooling (ventilating arrangements for head coverings A42C5/04)
A42B 1/008 Hats; Caps; Hoods > with means for heating or cooling (ventilating arrangements for head coverings A42C5/04)