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.
—
2004
1975
2021
2010
2003
2017
1972
1991
1961
2002
1931
2007
2006
1947
1977
2018
1990