Lisää soittimia valmistajalta: S.A. Cooperativa L'Armonica
A button accordion
- Accordion type: Other keyboard systems
Standard Bass Accordions
- Manufacturer: S.A. Cooperativa L'Armonica
- Model: Näppäinharmonikka
- Trade name: Cooperativa L'Armonica
Place of manufacture: Stradella, Italy
Time of manufacture: 1920s
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