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DEVICE FOR TRAINING STUDENTS ON MUSICAL SYSTEMS OF FRET AND HARMONY
DEVICE FOR TRAINING STUDENTS ON MUSICAL SYSTEMS OF FRET AND HARMONY
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机译:FRET和和声音乐系统中的学生训练装置
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摘要
the invention относитс devices дл обучени music systems and improve the efficiency and позвол ет frets that обучени .the base 1 with the voice plates 2 set to the necessary height, inclination angl
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