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.
1964
1989
2014
2011
2024
1980
2001
1934
1966
2008
2017
1996
2022
1953
1999
1998
1992
2002