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18h 31min, jan 23, 1947 y - Основа электронной технологии — транзистор — был изобретён в 1947 г. в США, но первыми в радиоаппаратуре его использовали японцы (1952 г.)
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Алина Волоскова
22 Nov 2017
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18h 31min, jan 23, 1947 y
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~ 79 years ago
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