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.
1978
1962
2023
1964
2002
1908
2005
1992
2004
2017
1999
2003
2011
2000
1950
1986
1958