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.
1971
2022
2020
1958
2013
2023
1938
1977
1936
1940
1952
—
2017
2001
2021
2002
1967