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Keywords from Image Description:
Thurbruecke Felsegg . br plan of the Thur bridge of Robert Maillart in Felsegg St Gallen Switzerland br des Thurbrcke in Felsegg von Robert Maillart St Gallen Schweiz Einige neuere Eisenbetonbrcken Schweizerische Bauzeitung elib ch Heft von Seite Robert Maillart reworked and uploaded by See PDold Thurbrcke Felsegg Concrete