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.
2015
2022
1958
1964
1973
1975
1953
1977
2020
2024
1974
2023
1968
2005
2025
1970
2017