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.
1984
2011
1995
2017
1939
2018
1961
2014
2012
2021
1962
2008
2022
2019
1969
2009
1986