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.
2015
1966
2019
2014
2013
1973
2021
1944
1980
1974
2017
1953
—
2012
1965
2009
1993