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.
2013
1910
1950
2014
2023
1897
1956
1976
2025
1945
2016
1989
2017
1988
2004
2015
1964
2018
2022