Electric and optical fibre cables - Test methods for non-metallic materials - Part 506: Mechanical tests - Impact test at low temperature for insulations and sheaths (IEC 60811-506:2012); German version EN 60811-506:2012
电缆和光缆.非金属材料的试验方法.第506部分:机械试验.绝缘和护套的低温冲击试验(IEC 60811-506-2012);德文版EN 60811-506:2012