https://www.lexpera.com.tr/resmi-gazete/24-06-1990/20558 monthly 2026-07-20T08:13:09Z https://www.lexpera.com.tr/resmi-gazete/metin/1973-tarihli-denizlerin-gemiler-tarafindan-kirlenmesinin-onlenmesine-ait-uluslararasi-sozlesme-20558 1990-06-24T00:00:00Z