Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions 在潮湿条件下固体绝缘材料的比较和检验跟踪指数测定的方法
Dry , solid insulating materials - resistance test to high - voltage , low - current arc discharges iec 61621 : 1997 ; german version en 61621 : 1997 干燥的固体绝缘材料.耐高压低电流电弧放电的电阻试验
Method for the determination of the proof and the comparative tracking indices of solid insulating materials iec 60112 : 2003 ; german version en 60112 : 2003 固体绝缘材料的耐起痕指数和比较起痕指数的测定方法
