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【国外标准】 Fire detection and fire alarm systems - Part 21: Alarm transmission and fault warning routing equipment
本网站 发布时间：
2025-06-05
- DIN EN 54-21
- 现行
- 定价：
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标准简介适用范围：
暂无
标准号：
DIN EN 54-21
标准名称：
Fire detection and fire alarm systems - Part 21: Alarm transmission and fault warning routing equipment
英文名称：
标准状态：
现行-
发布日期：
2001-08-01 -
实施日期：
出版语种：
英语
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