
Direct Acting Indicating Analogue Electrical Measuring Instruments And Their Accessories - Part 5: Special Requirements For Phase Meters, Power Factor Meters And Synchroscopes
出版:Polish Committee for Standardization

专家解读视频
2000 [27/11/2000]
IEC 60051-5 Ed. 4.0 - Identical
EN 60051-5:1989 - Identical
IEC 60051-5 : 4.0 - Identical
EN 60051-5 : 1989 - Identical