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1 янв 1939 г. - Siemens produced the first commercial transmission electron microscope.
Добавлено на ленту времени:
cell bio
By
Ashton B. Crandall
31 окт 2017
0
0
623
Дата:
1 янв 1939 г.
Сейчас
~ 86 г назад
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