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.
2024
1975
2023
2021
1942
1955
1985
1967
2012
1897
2016
2020
2015
1907
2011
2019
2017