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dec 15, 1869 - История микрофонов от Белла и Берлинера до «петлички». Новосибирские новости, Культура.
Added to timeline:
История создания микрофона
By
Юля Мухамеджанова
23 Oct 2018
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Date:
dec 15, 1869
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~ 155 years ago
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