Teaching materials
GB6448979SActive Publication Date: 2025-06-12ZHAOHUI ZENG +1
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Patent Information
- Application Number
- GB6448979D
- Authority / Receiving Office
- GB · GB
- Patent Type
- Designs
- Current Assignee / Owner
- Filing Date
- 2025-06-04
- Publication Date
- 2025-06-12
- Estimated Expiration
- 2050-06-04
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Figure 6448979_1 
Figure 6448979_2 
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Abstract
Teaching materials
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