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.
2016
1965
1952
1932
1896
2019
1986
2015
2018
2014
1963
1964
2023
2001
2017
1969
1975