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.
1960
1958
2022
1996
2015
2008
1969
2014
2019
1973
1961
1963
1947
1974
1997
1991
1999
1980
2020