Lightning protection system components (LPSC) - Part 7: Requirements for earthing enhancing compounds (IEC 62561-7:2018); German version EN IEC 62561-7:2018
Lightning protection system components (LPSC) - Part 7: Requirements for earthing enhancing compounds (IEC 62561-7:2018); German version EN IEC 62561-7:2018
Lightning Protection System Components (LPSC) - Part 7: Requirements for earthing enhancing compounds (IEC 62561-7:2011, modified); German version EN 62561-7:2012
Draft Document - Lightning Protection System Components (LPSC) - Part 7: Requirements for earthing enhancing compounds (IEC 81/375/CDV:2010); German version FprEN 62561-7:2010