B
PERFORMING OPERATIONS; TRANSPORTING
B
PERFORMING OPERATIONS; TRANSPORTING
B64
AIRCRAFT; AVIATION; COSMONAUTICS
B64
AIRCRAFT; AVIATION; COSMONAUTICS
B64D
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
B64D
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
15/00
De-icing or preventing icing on exterior surfaces of aircraft
15/00
De-icing or preventing icing on exterior surfaces of aircraft
B64D15/12
by electric heating
B64D15/12
by electric heating