GB/T 3804-20173.6kV~40.5kV高压交流负荷开关国家标准
英文:High-voltage alternating current switches for rated voltage above 3.6 kV and less than 40.5 kV GB/T 3804-2017介绍: 国家标准...
英文:High-voltage alternating current switches for rated voltage above 3.6 kV and less than 40.5 kV GB/T 3804-2017介绍: 国家标准...