https://contech1.apps4you.hu/speaker/robert-karoly/2026-07-29T15:43:39+02:00https://contech1.apps4you.hu/speaker/sara-katalin/2026-07-29T15:43:13+02:00https://contech1.apps4you.hu/speaker/szalai-szilvia/2026-07-29T15:23:18+02:00https://contech1.apps4you.hu/speaker/nagy-attila/2026-07-29T15:22:50+02:00