NF C97-201-1989 标准详情
- 标准号:NF C97-201-1989
- 中文标题:电声系统.备用音响系统
- 英文标题:sound systems. sound systems for emergency purpose.
- 标准类别:法国国家标准
- 发布日期:1989-09
Applies to sound reinforcement and distribution systems to be used to effect a rapid and orderly mobilization of occupants in an indoor and/or outdoor area affected by a hazard. Specifies the requirements for sound systems which are primarily intende
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