Electric and optical fibre cables - Test methods for non-metallic materials - Part 606: Physical tests - Methods for determining the density (IEC 60811-606:2012); German version EN 60811-606:2012
电缆和光缆.非金属材料的试验方法.第606部分:物理试验.密度测定方法(IEC 60811-606-2012);德文版EN 60811-606:2012