UL 1711-2006 标准详情
- 标准号:UL 1711-2006
- 中文标题:防火信号系统用放大器
- 英文标题:standard for amplifiers for fire protective signaling systems
- 标准类别:美国保险商实验室标准UL
- 发布日期:2006-12-28
These requirements cover electrically- and electronically-operated amplifiers that provide speech communication and distinctive sounds in conjunction with fire protective signaling systems for indoor location in accordance with the following standard
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