https://www.lexpera.com.tr/resmi-gazete/12-04-1988/19783 monthly 2026-07-21T06:04:16Z https://www.lexpera.com.tr/resmi-gazete/metin/fenetylline-isimli-kimyasal-madde-ve-tuzlari-ile-bu-maddeleri-ihtiva-eden-mustahzarlarin-2313-sayili-1 1988-04-12T00:00:00Z