Piano backrest

CN309977196SActive Publication Date: 2026-05-12DONGGUAN CITY COLLEGE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
DONGGUAN CITY COLLEGE
Filing Date
2025-12-12
Publication Date
2026-05-12

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Abstract

1. Name of the designed product: piano back frame. 2. Use of the designed product: used for supporting the structure of piano. 3. Design points of the designed product: in shape. 4. Picture or photo showing the design points: perspective view.
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