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.
1943
1938
2023
1929
2016
1978
2014
2018
2019
2000
1953
1990
1969
1942
2008
2007
1996
2003