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.
2010
1959
2002
1940
1953
2005
2003
1966
1997
1996
1933
2015
2017
2023
1955
2006
1961