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.
1948
1990
2004
2016
2018
2019
2017
2008
1994
1997
2002
2024
2013
2023
1937
1975
1968
