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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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8 apr 1919 anni - Francis William Aston (1919): Uses atomic spectrograph to identify 212 isotopes
Aggiunto al nastro di tempo:
Atomic Timeline
By
MILLER GRIMSLEY
17 set 2018
0
0
407
Data:
8 apr 1919 anni
Adesso
~ 106 years ago
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