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.
1932
1929
2013
1994
1982
2018
1976
1896
1897
1962
2020
2014
1955
1964
1963
1960
1944
1945
1995