prEN 50257-1996 标准详情
- 标准号：prEN 50257-1996
- 中文标题：永久性建筑物内的最高电压Um大于1kV的设备用的电源变压器和电抗器的使用和特殊设计特点
- 英文标题：Guide for the use and for particular design features for power transformers and reactors with highest voltage for equipment Um exceeding 1 kV, permanently incorporated in buildings
- 标准类别：欧盟标准EN
- 发布日期：1996/07/01
