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Keywords from Image Description:
FOTG Strassenbahnwagen . FOTGStraenbahnwagen in Frankfurt FOTG tram in Frankfurt built in by the company of Werner von Siemens photo date PD due to age Source Horst Michelke Jeanmaire Jahre Frankfurter Straenbahnen Villigen AG Brugg ISBN PDold PDUS Siemens trams in Frankfurt am Main History of electrical engineering FOTG