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B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
B64D17/00—Parachutes
B64D17/02—Canopy arrangement or construction
B64D17/18—Vent arrangement or construction
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FR634467D1926-05-201927-05-16Perfectionnements aux parachutes
ExpiredFR634467A
(fr)