Ivan Nikolayevich Vinogradov built 3B/M Igrado 2-seat biplane January 1931 at FZU (Frunze) factory.
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AERO-VOLGA (2)
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AEROPROGRESS (1)
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ALBATROSS (1)
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AVANTAGE (4)
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AVIA (1)
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LAPLAN (4)
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SUKHOI (13)
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