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.
2023
1968
2024
2020
2015
1984
2021
2012
1965
2008
1960
1951
1990
2025
2019
1936
2014