https://norm.gekko.de/sozsichabkg_mda2026-04-03T17:59:15+00:001.0 https://norm.gekko.de/sozsichabkg_mda/eingangsformel0.8 https://norm.gekko.de/sozsichabkg_mda/art_10.8 https://norm.gekko.de/sozsichabkg_mda/art_22026-04-18T06:40:24+00:000.8 https://norm.gekko.de/sozsichabkg_mda/art_30.8