AIRPORTS + AERODROMES (TRANSPORTATION AND TRAFFIC)
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BTAIR TRAFFIC + AVIATION (TRANSPORTATION AND TRAFFIC)
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UDC656.71
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Descriptor GERFLUGHÄFEN (VERKEHR UND TRANSPORT)
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Descriptor ENGAIRPORTS + AERODROMES (TRANSPORTATION AND TRAFFIC)
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Descriptor FREAÉROPORTS + AÉRODROMES (TRANSPORTS ET TRAFIC)
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Variant GERFLUGPLÄTZE (VERKEHR UND TRANSPORT)
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Variant ENGAIRFIELDS (TRANSPORTATION AND TRAFFIC)
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Variant ENGAERODROMES (TRANSPORTATION AND TRAFFIC)
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Variant FREAÉRODROMES (TRANSPORTS ET TRAFIC)