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G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
G10D13/00—Percussion musical instruments; Details or accessories therefor
G10D13/01—General design of percussion musical instruments
G10D13/08—Multi-toned musical instruments with sonorous bars, blocks, forks, gongs, plates, rods or teeth
G10D13/09—Multi-toned musical instruments with sonorous bars, blocks, forks, gongs, plates, rods or teeth with keyboards
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FR472149A1914-05-131914-05-13Appareil d'enseignement et d'exercice en forme de piano, pour fortifier le sens de la perception exacte des sons musicaux
ExpiredFR472149A
(fr)