FR410549A - Dispositif applicable aux tableaux de notes pour indiquer le ton et représenter les intervalles, les gammes et les accords
- Google Patents
Dispositif applicable aux tableaux de notes pour indiquer le ton et représenter les intervalles, les gammes et les accords
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G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
G09B15/00—Teaching music
G09B15/02—Boards or like means for providing an indication of notes
G09B15/04—Boards or like means for providing an indication of notes with sound emitters
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FR410549D1909-10-201909-10-20Dispositif applicable aux tableaux de notes pour indiquer le ton et représenter les intervalles, les gammes et les accords
ExpiredFR410549A
(fr)