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jan 1, 1921 - Электретный микрофон

Description:

Изобретен японским ученым Ёгути в начале 1920х годов.

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История создания микрофона

ByЮля Мухамеджанова

23 Oct 2018

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Date:

jan 1, 1921

Now

~ 104 years ago

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