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.
1907
2021
1971
2001
2007
2017
2011
2009
1966
2012
1932
1954
2024
1939
2020
2004
1986
2018