IEC 61811-51 Ed. 1.0 标准详情
- 标准号：IEC 61811-51 Ed. 1.0
- 中文标题：
- 英文标题：Electromechanical all-or-nothing relays - Part 51: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality - Non-standardized types and construction
- 标准类别：国际电工委员会IEC
- 发布日期：
