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Application filed by Siemens Und Halske Aktien GesfiledCriticalSiemens Und Halske Aktien Ges
Publication of CH21218ApublicationCriticalpatent/CH21218A/de
CH21218A1900-02-091900-02-09Neuerung an Meßgeräten nach Ferraris'schem Prinzip zum Ausgleich fehlerhafter hemmender oder treibender Kräfte
CH21218A
(de)