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.
1991
1904
2014
1940
1944
1945
1942
1995
2017
2019
1926
1994
2020
2016
2003
1968
2025
1896