PN EN 61643-21-2004 标准详情
- 标准号:PN EN 61643-21-2004
- 中文标题:
- 英文标题: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:波兰标准PN
- 发布日期: