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.
1979
1930
2014
1923
1939
2025
2021
2023
2017
2016
2018
1992
1940
1982
1964
2001
1970