| 标准编号 | IEC 61557-9:1999 |
| 标准名称 | Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systems |
| 主编部门 | |
| 标准状态 | |
| 出版社 | |
| 批准文号 | |
| 发布日期 | |
| 实施日期 | |
| 废止日期 | |
| 替换信息 | |
| 前言 | |
| 无 |
