NS EN 12729 Ed. 1 标准详情
- 标准号:NS EN 12729 Ed. 1
- 中文标题:设备,以防止污染回流饮用水 - 可控防回流随着减压区 - 家庭B - A型
- 英文标题:Devices To Prevent Pollution By Backflow Of Potable Water - Controllable Backflow Preventer With Reduced Pressure Zone - Family B - Type A
- 标准类别:挪威标准NS
- 发布日期:
Specifies the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of controllable backflow preventer with reduced pressure zone Family B Type A.
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