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.
1981
2021
2011
2025
2022
1990
1971
2019
1980
2006
2007
2018
1995
1986
1965
2020
2024