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André Katterfeld André Katterfeld Head of Chair, Otto von Guericke University of Magdeburg (Click for more!)
Helmut Mayer Helmut Mayer Director and Principal Engineer, Mayer International Group Pty. Ltd. Australien (Click for more!)
Thomas Kusserow Thomas Kusserow Marketing-Manager Mining & Minerals, Abb pi pm Deutschland (Click for more!)