https://www.lexpera.com.tr/resmi-gazete/31-08-1992/21331 monthly 2026-07-14T13:11:19Z https://www.lexpera.com.tr/resmi-gazete/metin/mesnet-izolatorleri-organik-malzemeden-nominal-gerilimi-1000-vdan-bu-yuk-300-kva-kadar-olan-300-kv 1992-08-31T00:00:00Z