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.
1983
2016
2002
1948
2017
2013
2019
1962
2022
1973
1968
2024
2023
1937
2018
2006
1997
1996