Accordion

The invention relates to an accordion. The loudspeaker is provided with a high pitch mechanism with a keyboard. The invention discloses a high pitch mechanism. The filler (9) of the housing part carries the sound post (5) and is provided with a corresponding sound hole (8). The sound hole can be cov...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TRAPP THOMAS, HOYER KNUT
Format: Patent
Sprache:chi ; eng
Schlagworte:
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