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.
2018
2006
1973
2021
1983
2017
2012
1967
2015
1964
1984
1896
2025
2022
1919
1985
2014