NF C26-303-2:1995
电绝缘材料耐热性能的测定导则.耐热性计算说明.第2节.不完整数据的计算.试验结果的验证和包括中期终点(相等试验组)
Guide for the determination of thermal endurance properties of electrical insulating materials. Part 3 : instructions for calculating thermal endurance characteristics. Section 2 : calculations for incomplete data : proof test results up to and including