Equipment For Fitting In Or To Aircraft; Flying Suits; Parachutes; Arrangements Or Mounting Of Power Plants Or Propulsion Transmissions In Aircraft
B64C
Aeroplanes; Helicopters
F16D
Couplings For Transmitting Rotation; Clutches; Brakes
B60T
Vehicle Brake Control Systems Or Parts Thereof; Brake Control Systems Or Parts Thereof, In General ; Arrangement Of Braking Elements On Vehicles In General; Portable Devices For Preventing Unwanted Movement Of Vehicles; Vehicle Modifications To Facilitate Cooling Of Brakes
B63C
Launching, Hauling-out, Or Dry-docking Of Vessels; Life-saving In Water; Equipment For Dwelling Or Working Under Water; Means For Salvaging Or Searching For Underwater Objects
