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.
2004
2014
1964
1958
1990
1970
2017
1976
1969
2002
1965
1977
2006
1973
2023
2018
1945
2013
2019