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.
2014
2003
1953
1922
2013
1977
1991
2020
2007
1891
2022
1950
1998
1969
2019
1956
2024