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.
1961
1981
1894
1924
2021
2018
1967
1952
1965
1970
2011
1962
1940
2023
1972
1946
1998