30
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
193047
16858
2

1 janv. 1937 - Technetium is the first articficially produced element.

Description:

By Pierre and Segre in Italy

Ajouté au bande de temps:

24 oct. 2017
0
0
465

Date:

1 janv. 1937
Maintenaint
~ Il y a 87 ans