GB/T 17215.323-2022电测量设备(交流)特殊要求第23部分:静止式无功电能表(2级和3级)国家标准
英文:Electricity metering equipment (AC)—Particular requirements—Part 23: Static meters for reactive energy (classes 2 and...
英文:Electricity metering equipment (AC)—Particular requirements—Part 23: Static meters for reactive energy (classes 2 and...