FR763397A - Perfectionnement à la construction des roues à ailes oscillantes, utilisables notamment pour les applications aérodynamiques
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Perfectionnement à la construction des roues à ailes oscillantes, utilisables notamment pour les applications aérodynamiques
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B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C11/006—Paddle wheels
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FR763397D1933-01-251933-01-25Perfectionnement à la construction des roues à ailes oscillantes, utilisables notamment pour les applications aérodynamiques
ExpiredFR763397A
(fr)