B
PERFORMING OPERATIONS; TRANSPORTING
B
PERFORMING OPERATIONS; TRANSPORTING
B64
AIRCRAFT; AVIATION; COSMONAUTICS
B64
AIRCRAFT; AVIATION; COSMONAUTICS
B64U
UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
B64U
UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
60/00
Undercarriages
60/00
Undercarriages
B64U60/10
specially adapted for use on water
B64U60/10
specially adapted for use on water