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.
2018
1944
1945
2023
1990
2016
2004
2019
2017
1895
2015
1934
1896
2013
1987
1950
2006