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12 h 23 min, 1 janv. 1931 ans - 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 h 23 min, 1 janv. 1931 ans

Maintenaint

~ Il y a 94 ans

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