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.
1958
1970
2020
2010
2013
2006
2014
1924
1998
1978
1968
2009
2015
1967
2018
2023
1952
1984