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Presentación de una patente (jan 1, 1948 – jan 30, 1948)

Description:

Muestran la primera patente con un costo de 2.524.035 dólares para fabricar el primer transistor de puntas de contacto de la historia.

Added to timeline:

Linea del tiempo sociedad del conocimiento

ByDaniel Camilo Vargas Quimbaya

17 Feb 2020

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391

Date:

jan 1, 1948

jan 30, 1948

~ 29 days

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