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7 giug 1933 anni - FM radio is patented by Edwin Armstrong

Descrizione:

Frequency Modulation Radio. Doesn't take off until after his death

Aggiunto al nastro di tempo:

Mixtape Anatomy Timeline

ByNicholas Newton-Cheh

24 set 2017

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737

Data:

7 giug 1933 anni

Adesso

~ 92 years ago

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