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
1999
1990
2021
1967
2022
2024
1897
2017
2020
1970
2005
2013
1938
—
1993
1929
1965