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.
1957
2023
1993
—
2014
1995
2012
2015
2007
2006
1927
2016
2018
1977
1987
2019
2020