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Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla Vereinigte Staaten (Click for more!)
Jürgen Opdenhoff Jürgen Opdenhoff Managing Director, Opdenhoff Technologie Deutschland (Click for more!)
Graham Rideal Graham Rideal Founder, Whitehouse Scientific Ltd. Vereinigtes Königreich (Click for more!)
