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.
1967
1952
2018
1894
2023
1924
1961
1981
1986
1953
2017
1968
1999
1951
2010
1895
2020