07/30161989 DC 标准详情
- 标准号:07/30161989 DC
- 中文标题:
- 英文标题:BS EN 61557-9. Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c.. Equipment for testing, measuring or monitoring of protective measures. Part 9. Equipment for insulation fault location in IT systems
- 标准类别:标准草案
- 发布日期:
