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.
2007
1986
1925
2024
1943
1980
2020
2016
1961
1979
1993
1970
2000
1966
1931
2014
1937