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От
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М.Старостин
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К
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muxel
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Дата
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15.10.2000 13:44:00
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Рубрики
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Прочее;
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Description of Northrop X-21
Conversions of two Douglas WB-66D wheater reconaissance aircraft to test a laminar-flow control system. They had of course a new wing and the engines were moved to the tail to keep the wing clean.