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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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3 marzo 1898 anni - Discovery of Krypton (Sir William Ramsay and Morris Travers)
Aggiunto al nastro di tempo:
Periodic Table Timeline
By
MICHELLE MORGAN SILLER
6 dic 2018
0
0
349
Data:
3 marzo 1898 anni
Adesso
~ 127 years ago
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