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.
2002
—
2009
2022
2023
2008
1992
1967
1978
2021
1958
1896
2018
2011
1986
2019
1987
1979