Ventilated soundproof window muffler
CN309971481SActive Publication Date: 2026-05-08SHANGHAI YIXIN ENVIRONMENTAL PROTECTION TECH DEV
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- SHANGHAI YIXIN ENVIRONMENTAL PROTECTION TECH DEV
- Filing Date
- 2025-10-09
- Publication Date
- 2026-05-08
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Figure 000007_ABST
Abstract
1. The name of the design product: ventilation sound insulation window muffler. 2. The use of the design product: a muffler for a ventilation sound insulation window, which can ventilate and reduce noise. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
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