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Application filed by Klingenthaler HarmonikawerkefiledCriticalKlingenthaler Harmonikawerke
Priority to DD26071484ApriorityCriticalpatent/DD223560B1/de
Publication of DD223560A1publicationCriticalpatent/DD223560A1/de
Publication of DD223560B1publicationCriticalpatent/DD223560B1/de