GB/T 20111.4-2017电气绝缘系统热评定规程第4部分:评定和分级电气绝缘系统试验方法的选用导则国家标准
英文:Electrical insulation systems—Procedures for thermal evaluation—Part 4: Selection of the appropriate test method for ...
英文:Electrical insulation systems—Procedures for thermal evaluation—Part 4: Selection of the appropriate test method for ...