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6 ore 37 min, 31 dic 1931 anni - М. Кнолль и Э. Руска построили первый просвечивающий электронный микроскоп

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Электронный микроскоп. История

ByВера Черепанова

15 nov 2017

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6 ore 37 min, 31 dic 1931 anni

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~ 93 years ago

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