NEN 10051-4:1991现行
Direct Acting Indicating Analogue Electrical Measuring Instruments And Their Accessories - Part 4: Special Requirements For Frequency Meters
出版：Nederlands Normalisatie Instituut
专家解读视频
基本信息
标准编号： NEN 10051-4:1991
发布时间：1991/1/1 0:00:00
标准类别：Standard
出版单位：Nederlands Normalisatie Instituut
标准页数：17
标准简介
Applicable to direct acting indicating analogue frequency meters. Also applicable to non-interchangeable accessories used with frequency meters.
等同采用的国际标准
IEC 60051-4 Ed. 4.0 - Identical
