FR600665A - Perfectionnements aux hélices de propulsion ou d'aviation, roues à ailettes de ventilateurs, moteurs à vent et autres similaires
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Perfectionnements aux hélices de propulsion ou d'aviation, roues à ailettes de ventilateurs, moteurs à vent et autres similaires
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B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C11/16—Blades
B64C11/20—Constructional features
B64C11/24—Hollow blades
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Engineering & Computer Science
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Aviation & Aerospace Engineering
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FR600665D1925-01-081925-07-10Perfectionnements aux hélices de propulsion ou d'aviation, roues à ailettes de ventilateurs, moteurs à vent et autres similaires
ExpiredFR600665A
(fr)