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B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C11/02—Hub construction
B64C11/04—Blade mountings
B64C11/06—Blade mountings for variable-pitch blades
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Aviation & Aerospace Engineering
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FR441314D1911-12-151912-03-13Perfectionnements apportés aux hélices, et surtout aux hélices aériennes, avec pales d'inclinaison modifiable
ExpiredFR441314A
(fr)