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.
2019
1961
1953
2016
1949
1894
2025
1981
1986
1997
1998
2024
2023
2011
2015
1951
1968