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The Polikarpov I-6 was a Soviet biplane fighter prototype of the late 1920s. It was designed with traditional wooden construction in comparison with the wood and steel tube construction Polikarpov I-5. Its development took longer than planned and the lead designer, Nikolai Polikarpov, was arrested for industrial sabotage, which only further delayed the project. Only two prototypes were built, as the I-5 was selected for production.
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සංඛ්යා ප්රසිද්ධ මූලාශ්රවලින් එකතු කළ ඒවා බැවින් ආසන්න අගයන් විය හැක; ප්රභේදය සහ සැකසුම අනුව වෙනස් විය හැක.
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ඡායාරූපය 1: Unknown authorUnknown author / Wikimedia Commons · Public domain
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