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.
1960
2021
2023
2024
2018
1896
2006
2010
1987
1948
2020
2007
2019
2013
1965
2016
1979