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1 Jan 1904 Jahr - 1904 - John Ambrose Fleming invents the first thermionic device. (The Open University, 2017)
Zugefügt zum Band der Zeit:
The Invention of the Transistor
By
Jaida
7 Dez 2017
0
0
386
Datum:
1 Jan 1904 Jahr
Jetzt
~ 120 years ago
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