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15 Dez 1864 Jahr - История конденсаторного микрофона
Zugefügt zum Band der Zeit:
История создания микрофона
By
Юля Мухамеджанова
23 Okt 2018
0
0
409
Datum:
15 Dez 1864 Jahr
Jetzt
~ 160 years ago
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