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jan 1, 1904 - John Ambrose Fleming

Description:

John Ambrose Fleming inventa la válvula de vacío, un dispositivo crucial en la historia de la electrónica.

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Primera Parte Electronica

ByCinthya Guadalupe Nunez Leyva

15 Mar 2024

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59

Date:

jan 1, 1904

Now

~ 121 years ago

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