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.
1958
2003
2018
1943
1931
1965
1972
1983
2015
2000
2020
2014
1999
1959
1970
2022
1951
1969