Wearable personal air purification device with directional airflow control for respiritory health and environmental production
GB202511776D0Inactive Publication Date: 2025-09-03ZHANG CAIJU
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Patent Information
- Application Number
- GB2025011776
- Authority / Receiving Office
- GB · GB
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-07-19
- Publication Date
- 2025-09-03
- Estimated Expiration
- Not applicable · inactive patent
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