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.
1977
1992
1999
1982
2021
1929
1940
1975
1990
2004
2017
1950
1971
2008
2012
2013
1964
2025