The keyboard system is a variant of the c-griff, so called Norwegian system with sounds A and C in the second and fifth row.
Lisää soittimia valmistajalta: Wilhelm Lanka
A flat keyboard
- Accordion type: Five Row Accordions
Standard Bass Accordions - Manufacturer: Wilhelm Lanka
- Model: A flat bed accordion
- Trade name: Wilhelm Lanka
Place of manufacture: Gera, Germany
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