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.
1967
2014
2007
2023
1948
1950
1966
1923
1953
1989
2006
2001
2015
1999
1990
1974
2021