Electric and optical fibre cables - Test methods for non-metallic materials - Part 409: Miscellaneous tests - Loss of mass test for thermoplastic insulations and sheaths (IEC 60811-409:2012); German version EN 60811-409:2012
电缆和光缆.非金属材料的试验方法.第409部分:杂项试验.热塑性绝缘和护套的质量损失试验(IEC 60811-409-2012);德文版EN 60811-409:2012