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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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27 dic 1884 anni - William Ramsay (1884): Discovers the Noble Gases
Aggiunto al nastro di tempo:
Atomic Timeline
By
MILLER GRIMSLEY
17 set 2018
0
0
408
Data:
27 dic 1884 anni
Adesso
~ 140 years ago
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