Managing Director of the Arntz Optibelt Group retires from the company
             
                    
                                                
                    
    
                    
    
                    
    
                    
    
                    
    
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Photo credit: Arntz Optibelt Group  
                    
    
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Members of the Advisory Board and Management of the Arntz Optibelt Group, from left to right: Robert Ummen, Andreas Becker, Regina Arning (Management), Reinhold Mühlbeyer, Birgit Becker, Gunnar Ummen and Konrad Ummen (Management).  
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