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.
1934
1987
2017
1961
1962
1942
2003
2010
2014
2023
1994
1986
1958
2022
2018
1953
2024