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.
1936
1984
1976
1953
1942
1969
2014
2019
1958
1957
1949
2018
1954
1967
1944
1937
2001
1962