AIRSCREWS (AERODYNAMICS)
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BTAERODYNAMICS
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UDC533.662
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Descriptor GERLUFTSCHRAUBEN (AERODYNAMIK)
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Descriptor ENGAIRSCREWS (AERODYNAMICS)
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Descriptor FREHÉLICES (AÉRODYNAMIQUE)
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Variant GERSCHRAUBEN/LUFTSCHRAUBEN (AERODYNAMIK)
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Variant GERPROPELLER (AERODYNAMIK)
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Variant ENGPROPELLERS (AERODYNAMICS)
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NTLIFTING AIRSCREWS, HELICOPTER ROTORS (AERODYNAMICS)
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NTWINDMILLS + WIND POWER CONVERTER (AERODYNAMICS)