Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B64
AIRCRAFT; AVIATION; COSMONAUTICS
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B64C
AEROPLANES; HELICOPTERS
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1/00
Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
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B64C1/14
Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens; accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
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B64C1/1407
Doors; surrounding frames
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