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.
1980
2017
1949
2010
1975
1973
1960
—
1941
2019
1891
2013
2023
1974
2021
2003
2005
2009