DS/EN 54-21/ZA-2007 标准详情
- 标准号:DS/EN 54-21/ZA-2007
- 中文标题:火灾探测和报警系统 - 第21部分:警报传输和故障报警路由设备
- 英文标题:Fire detection and fire alarm systems - Part 21: Alarm transmission and fault warning routing equipment
- 标准类别:丹麦DANSK
- 发布日期:2007-05-31
This European Standard specifies requirements, test methods and performance criteria against which the effectiveness and reliability of routing equipment capable of transmitting fire alarm and/or fault warning signals for use with fire detection and
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