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.
1947
1972
2019
2022
1967
1977
2023
2017
1956
2012
1965
2009
1990
2010
1944
1984
2013