'''Rud. Ibach Sohn''' was a piano manufacturer in Barmen, Rhineland, Germany from 1794 to 2007.
The owners Rudolf Ibach's widow, Rudolf and Max Ibach were awarded an imperial and royal warrant of appointment to the court of Austria-Hungary.[1]
External links
References
- Handbuch des Allerhöchsten Hofes und des Hofstaates Seiner K. und K. Apostolischen Majestät. K.k. Hof- und Staatsdruckerei, 1917^