| 摘要 |
A disposal introduced in musical instruments, like guitars (2), possessing a suspended arm (3) and a cover (4). The posterior surface of the cover is provided with lateral nodules (6-7) arranged parallel and parallel bars (10) with vertical suspended rods (11). The speaker (12) comprises suspended horizontal connecting rods (15) provided with vertical bars forming a curtain (15) and internal connecting rods of sustentation (17).
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