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B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
B64D39/00—Refuelling during flight
B64D39/04—Adaptations of hose construction
FR694293D1929-04-221930-04-22
Method and device for fueling airplanes during flight
ExpiredFR694293A
(en)