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1 янв 1904 г. - 1904 - John Ambrose Fleming invents the first thermionic device. (The Open University, 2017)

Добавлено на ленту времени:

The Invention of the Transistor

ByJaida
7 дек 2017

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1 янв 1904 г.
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~ 120 г назад
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