Draft Document - Electric and optical fibre cables - Test methods for non-metallic materials - Part 301: Electrical tests - Measurement of the permittivity at 23 °C of filling compounds (IEC 20/1135/CDV:2010); German version FprEN 60811-301:2010
文件草案——电缆和光缆——非金属材料的试验方法——第301部分:电气试验——填充化合物在23°C下的介电常数测量(IEC 20/1135/CDV:2010);德文版FprEN 60811-301:2010