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.
2011
2018
2015
2020
1942
1998
2014
1973
1987
1981
2017
1967
1934
2002
1941
2016
1965