https://www.lexpera.com.tr/resmi-gazete/22-02-2004/25381 monthly 2026-07-21T06:04:16Z https://www.lexpera.com.tr/resmi-gazete/metin/sondajla-maden-cikarilan-isletmelerde-saglik-ve-guvenlik-sartlari-yonetmeligi-25381 2004-02-22T00:00:00Z