Самодельный электронный стетоскоп за пять минут!
Запись и прослушивание звука сердца самодельным электронным стетоскопом за пят...
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2 weeks ago 00:16:38 6.1K
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8 years ago 00:07:27 1.3K
1 month ago 00:20:47 8.1K
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