23. September 2021
50 years – Happy Birthday Exhibition Centre Düsseldorf!
...für Marktforschung (GfM), it amounted to around DM 100 million annually. With the opening of the new g
...für Marktforschung (GfM), it amounted to around DM 100 million annually. With the opening of the new g
...1 Mio. €, on the German side approx. 500.000 € Project duration: 01.04.2019 – 31.03.2022 Source: Deutsch
A low-cost and easy-to-manufacture lighting technology can be made with light-emitting electrochemical cells. Such cells ar
