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.
1953
1954
2010
2020
2016
2015
2003
2006
1995
1958
2001
2011
1974
1934
2005
1970
2023
2021