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.
1975
2019
1987
1990
2023
2024
1972
1945
2018
1895
1969
1997
2016
1967
2012
2020
1961
2002