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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1940 ano - В.К. Зворыкин построил СЭМ с эффективным детектором электронов и медленным сканированием
Adicionado na linha do tempo:
Электронный микроскоп. История
By
Вера Черепанова
15 nov 2017
0
0
606
Data:
1 jan 1940 ano
Agora
~ 85 years ago
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