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.
2011
1898
1979
2018
1950
1965
2019
2023
1963
1998
2016
1985
1959
1958
1948
2007
1947
2008