SN EN 13077-2003 标准详情
- 标准号:SN EN 13077-2003
- 中文标题:
- 英文标题:Devices To Prevent Pollution By Backflow Of Potable Water - Air Gap With Non-circular Overflow (unrestricted) - Family A, Type B
- 标准类别:瑞士标准化协会SNV
- 发布日期:
Defines the characteristics and the requirements of air gap with non-circular overflow (unrestricted) Family A, type B for nominal flow velocity not exceeding 3 m/s.
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