IEC 61643-21 Amd.1 Ed. 1.0 标准详情
- 标准号：IEC 61643-21 Amd.1 Ed. 1.0
- 中文标题：
- 英文标题：Amendment 1 - Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
- 标准类别：国际电工委员会IEC
- 发布日期：
