公共烟道双阀片防火止逆阀

CN310097894SActive Publication Date: 2026-07-17HANGZHOU SIMTONE ELECTRICAL APPLIANCE EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
HANGZHOU SIMTONE ELECTRICAL APPLIANCE EQUIP
Filing Date
2025-12-23
Publication Date
2026-07-17

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Abstract

1.本外观设计产品的名称：公共烟道双阀片防火止逆阀。2.本外观设计产品的用途：一种安装在家庭排烟道的工具。3.本外观设计产品的设计要点：在于形状与图案的结合。4.最能表明设计要点的图片或照片：立体图2。
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