https://norm.gekko.de/gaf_g2026-08-17T08:59:00+00:001.0 https://norm.gekko.de/gaf_g/eingangsformel2026-09-03T11:48:57+00:000.8 https://norm.gekko.de/gaf_g/art_62026-08-31T11:09:17+00:000.8 https://norm.gekko.de/gaf_g/art_72026-08-17T08:59:00+00:000.8