CENELEC EN 60051-4-1989 标准详情
- 标准号:CENELEC EN 60051-4-1989
- 中文标题:直接作用模拟指示电测量仪表及其附件第4部分:频率表的特殊要求[代替: CENELEC HD 233 ]
- 英文标题:Direct Acting Indicating Analogue Electrical Measuring Instruments and Their Accessories Part 4: Special Requirements for Frequency Meters [Superseded: CENELEC HD 233]
- 标准类别:欧盟标准EN
- 发布日期:1989-01-01
