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12 ore 23 min, 1 gen 1931 anni - Р. Руденберг получил патент на просвечивающий электронный микроскоп

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Электронный микроскоп. История

ByВера Черепанова

15 nov 2017

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12 ore 23 min, 1 gen 1931 anni

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~ 94 years ago

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