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.
2012
1965
2009
2001
2019
2004
2003
1960
2022
1979
1977
1991
1996
2005
1975
1970
1953
1983