ANSI/UL 346-2005 标准详情
- 标准号:ANSI/UL 346-2005
- 中文标题:防火信令系统用水流量指示器的安全标准
- 英文标题:Standard for Waterflow Indicators for Fire Protective Signaling Systems
- 标准类别:美国国家ANSI
- 发布日期:2005
These requirements cover vane type waterflow indicators intended for use in fire protective signaling systems to be employed in ordinary indoor locations, in accordance with the National Fire Alarm Code, NFPA 72. Waterflow indicators covered by these
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