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.
1938
2016
2005
1982
2024
2013
2023
1923
2019
2015
1961
1986
1985
1981
1953
1957
2020
1975