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1 ene 1921 año - The first car-car radios are used

Descripción:

The Detroit Police Department began using mobile radios in their police cars. They used them to talk between police cars, even though it didn't work very well.

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Cell Phone- Ayman Said

ByAyman
8 nov 2017
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fecha:

1 ene 1921 año
Ahora mismo
~ 104 years ago

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