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.
1950
2013
1990
2025
1997
1988
2010
2017
1958
1934
1942
2003
1961
1962
2021
1966
1986
1993