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B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWERÂ PLANTSÂ OR PROPULSION TRANSMISSIONS IN AIRCRAFT
B64D17/00—Parachutes
B64D17/78—Parachutes in association with other load-retarding apparatus
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FR863691D1939-03-061940-03-05
Improvements to life belts
ExpiredFR863691A
(en)