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15 Dez 1869 Jahr - История микрофонов от Белла и Берлинера до «петлички». Новосибирские новости, Культура.

Zugefügt zum Band der Zeit:

История создания микрофона

ByЮля Мухамеджанова

23 Okt 2018

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Datum:

15 Dez 1869 Jahr

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~ 155 years ago

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