B64C11/346—Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces
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Engineering & Computer Science
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Physics & Mathematics
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Fluid Mechanics
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Mechanical Engineering
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Aviation & Aerospace Engineering
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Structures Of Non-Positive Displacement Pumps
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Helices ou turbines perfectionnees a pas variable et autoregule convenant notamment pour la propulsion d'engins ou de fluides ou pour la production d'energie