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26 dic 1906 anni - Ж. Урбэн открыл редкоземельный элемент лютеций, последний из стабильных редкоземельных элементов.

Aggiunto al nastro di tempo:

Великие открытия в ХХ веке.

13 giu 2017

2

0

4442

Data:

26 dic 1906 anni

Adesso

~ 118 years ago

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