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17 Apr 1919 Jahr - Aston
Beschreibung:
Discovered the existence of isotopes through the use of a mass spectrograph.
Zugefügt zum Band der Zeit:
scientific atom timeline
By
Kyrell Brown
11 Dez 2018
0
0
352
Datum:
17 Apr 1919 Jahr
Jetzt
~ 106 years ago
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