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.
2008
1957
2015
1953
1989
2021
2009
1973
1940
2014
1968
2025
2022
1947
2016
2005
1974
2013
1960
1958