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.
1939
2022
1967
2019
1960
2020
2017
1979
1953
2014
1945
2025
1961
1977
1983
2023
1894