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Application filed by August AmthorfiledCriticalAugust Amthor
Publication of CH8064ApublicationCriticalpatent/CH8064A/de
CH8064A1894-03-061894-03-06Blechplatte mit Notenzeichen für mechanische Musikwerke zum Anreißen von Stahlstimmen unter Vermittelung von Anreißrädchen
CH8064A
(de)