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.
1979
2014
1937
1899
2019
1962
2013
2021
1970
1990
2024
2023
1984
2016
1997
1996
1975