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Microwave radio & Transistor (1 ene 1947 año – 31 dic 1947 año)

Descripción:

Microwave radio technology used for the first time for long distance phone calls & The transistor was invented at Bell laboratories.

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click for descriptions/PHONE TIMLINE

23 oct 2018

0

0

420

fecha:

1 ene 1947 año

31 dic 1947 año

~ 12 months

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