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.
1973
2020
2023
1972
1978
1989
2017
1995
2000
1956
1965
2018
1951
1968
2024
2022
1997
1952
1963