Polishing grade comparison sample

CN309499466SActive Publication Date: 2025-09-16黃茂華
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Patent Information

Application Number
CN202530039734.X
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-09-16
Estimated Expiration
2040-01-21

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Abstract

1. The name of this design product: polishing grade comparison sample. 2. Purpose of this design product: This design product is used for polishing samples of metal or plastic surfaces. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: main view.
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