mihailo pupin
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mihailo pupin |
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| navigate by keyword : 1960 adult aged ancient antique chemist coil communication discovery editorial electricity face hair head human mail male man mihailo patent person philately phisical portrait postage postmark professional pupin research retro science scientist seal serious stamp study technician telephone transmitting vintage wire yugoslavia |
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| RUSSIA KALININGRAD, 12 NOVEMBER 2016: stamp printed by Yugoslavia, shows the portrait of Mihailo Pupin, electro-technician, circa 1960 |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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