LST EN 61211-2005 Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V. Impulse puncture testing in air (IEC 61211:2004)
2005LST EN 61211-2005 Insulators of ceramic material or glass for overhead lines with a nominal voltage greater than 1 000 V. Impulse puncture testing in air (IEC 61211:2004)