GB/T 20840.14-2022互感器第14部分:直流电流互感器的补充技术要求国家标准
英文:Instrument transformers—Part 14:Additional requirements for current transformers for DC applications GB/T 20840.14-20...
英文:Instrument transformers—Part 14:Additional requirements for current transformers for DC applications GB/T 20840.14-20...