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.
1979
1995
1973
2016
1981
2020
2015
1938
2014
2019
1986
2018
1932
1967
1931
2021
2024