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Microwave radio & Transistor (1 jan 1947 ano – 31 dez 1947 ano)

Descrição:

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

Adicionado na linha do tempo:

click for descriptions/PHONE TIMLINE

23 out 2018

0

0

420

Data:

1 jan 1947 ano

31 dez 1947 ano

~ 12 months

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