Piano teaching aids
CN309423306SActive Publication Date: 2025-08-05蔡荣豪
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Patent Information
- Application Number
- CN202430810784.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2039-12-20
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Figure 000001_ABST
Abstract
1. The name of this design product: Piano teaching aids. 2. Purpose of this design product: to assist in teaching. 3. The design key points of this design product are shape and pattern. 4. The picture or photo that best illustrates the design points: reference diagram of the assembly state.
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