Tunnel ventilator

CN309315274SInactive Publication Date: 2025-05-30济南市政公用资产管理运营有限公司
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Patent Information

Application Number
CN202430573619.6
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-05-30
Estimated Expiration
Not applicable · inactive patent

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Abstract

1. Name of the design product: Tunnel ventilator. 2. Use of the design product: For ventilation and air change in tunnels. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view.
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