33
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
16195
1592
2

1 janv. 1920 - Hydrocracking, a plant for the commercial hydrogenation of brown coal is commissioned at Leuna in Germany.

Ajouté au bande de temps:

2 sept. 2017
0
0
1422

Date:

1 janv. 1920
Maintenaint
~ Il y a 105 ans