Presentation of the economic upswing in the GDR, emphasizing the discovery of the process for the production of high-temperature lignite coke and the commissioning of the Lauchhammer large-scale coking plant.
2014
1894
2016
2015
2020
2018
2019
1940
2004
1945
1931
2012
1905
1974
2023
1943
2021