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.
2023
1976
2014
2022
2020
2001
2013
2012
1986
1935
2019
1932
2018
1954
2015
1933
2002