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.
1973
2023
1968
2022
2013
1962
1944
2018
1971
2019
2009
1979
1980
2015
1988
1963
1996