UL 813 Ed. 7 标准详情
- 标准号:UL 813 Ed. 7
- 中文标题:商用音频设备
- 英文标题:Commercial Audio Equipment
- 标准类别:美国保险商实验室UL
- 发布日期:
Describes power operated equipment and accessories, rated 300 volts or less, to meet the requirements of commercial establishments, churches, schools, theatres, factories that are employed on supply circuits in accordance with NFPA 70.
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