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29 dic 1915 anni - В. Коссель и Г. Льюис разработали теорию атомной связи и ионной связи

Aggiunto al nastro di tempo:

Великие открытия в ХХ веке.

13 giu 2017

2

0

4451

Data:

29 dic 1915 anni

Adesso

~ 109 years ago

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