NS EN 13077 Ed. 2 标准详情
- 标准号:NS EN 13077 Ed. 2
- 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:挪威标准NS
- 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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