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Jürgen Opdenhoff Jürgen Opdenhoff Managing Director, Opdenhoff Technologie Deutschland (Click for more!)
Hugo Tintaya Hugo Tintaya Staff, Project Coordinator, Shougang Hierro Peru SAA Peru (Click for more!)
Thomas Pollak Thomas Pollak Engineer, MUT Management Umwelt Technologie Consulting Network GmbH Österreich (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla Vereinigte Staaten (Click for more!)
