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Ivan Vyrodkov
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Ivan Grigoryevich Vyrodkov (Russian: Иван Григорьевич Выродков; not later than 1520[1] – 1568) was a diak, Russian military engineer and inventor.
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Ivan Grigoryevich Vyrodkov (Russian: Иван Григорьевич Выродков; not later than 1520[1] – 1568) was a diak, Russian military engineer and inventor.