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1 янв 1927 г. - Francis Willian Aston invents mass spectograph
Описание:
a mass spectrometer in which the particles are detected photographically.
Добавлено на ленту времени:
12 окт 2018
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366
Atomic Model Timeline
Дата:
1 янв 1927 г.
Сейчас
~ 97 г назад