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Application filed by Albert Gast, Carl PudefiledCriticalAlbert Gast
Publication of CH31922ApublicationCriticalpatent/CH31922A/de
CH31922A1904-06-291904-06-29Anschlagvorrichtung mit umstellbarem Wechselventil für mit Saugluft arbeitende Musikwerke, Tastenspielwerke und dergl.
CH31922A
(de)