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
2008
2022
1960
1984
1966
1989
—
2023
2011
1955
1980
1991
1978
2020
2016
2014