Ludwig Pfeiffer

Ludwig Pfeiffer Mutters Umverlegung Erdgas

Re-routing natural gas pipes, stopple procedure

Location: Mutters, Austria
Year: 2015

 

Ludwig Pfeiffer Jessnitz Umverlegung Wasserstoffleitungen

Re-routing hydrogen pipes for construction of a new dyke

Location: Jeßnitz, Germany
Year: 2015