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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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18 h 31 m, 23 ene 1947 año - 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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18 h 31 m, 23 ene 1947 año
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