LANDEN (RAUMFAHRTTECHNIK)
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BTRAUMFAHRTTECHNIK
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UDC629.78.077
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Descriptor GERLANDEN (RAUMFAHRTTECHNIK)
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Descriptor ENGLANDING (ASTRONAUTICAL ENGINEERING)
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Descriptor FREATTERRISSAGE (TECHNIQUE ASTRONAUTIQUE)
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Variant ENGDESCENT AND LANDING (ASTRONAUTICAL ENGINEERING)
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Variant FREDESCENTE ET ATTERRISSAGE (TECHNIQUE ASTRONAUTIQUE)