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.
2018
—
2017
1959
2022
2011
2024
1980
2025
2015
2013
2023
1936
2020
2021
2019
1935
2012