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.
2008
1994
1997
2002
2018
2022
2012
1930
1897
2013
1958
1968
1990
1904
2019
1999
1888