B
PERFORMING OPERATIONS; TRANSPORTING
B60
VEHICLES IN GENERAL
B60N
SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
B60N2/00
Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
B60N2/56
Heating or ventilating devices
B60N2/5607
characterised by convection
B60N2/5642
with circulation of air through a layer inside the seat