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.
2017
2007
—
2005
2016
2023
2001
1964
1986
1967
1972
2004
1991
2006
1994
1997
2002
1977
1969