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Polikarpov Design Bureau was a Soviet OKB (design bureau) for aircraft, led from 1922 by Nikolai Nikolaevich Polikarpov. It was based at the GAZ No. 1 aircraft production plant (previously the Dux Aircraft Factory) in Moscow, which was acquired by the USSR in 1920, and where its purpose-built building still stands.During the 1920s and 1930s Polikarpov OKB headquarters designed and built a wide

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