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.
2017
2003
1953
1954
2023
2013
2022
1964
2005
2016
1922
1989
2024
2006
—
2019
1965
1986