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.
1930
1953
1942
1895
1979
1967
1934
1896
1936
1982
1971
1972
2003
1933
2014
1987
2018
1940