DIN EN 62561-5-2012 防雷系统组件(LPSC).第5部分:接地电极检查外壳和接地电极密封的要求(IEC 62561-5-2011,修订版本).德文版 EN 62561-5-2011
Lightning protection system components (LPSC) - Part 5: Requirements for earth electrode inspection housings and earth electrode seals (IEC 62561-5:2011, modified); German version EN 62561-5:2011