https://www.lexpera.com.tr/resmi-gazete/17-02-1977/15853 monthly 2026-07-21T06:04:16Z https://www.lexpera.com.tr/resmi-gazete/metin/tup-bicimi-floresan-lamba-balastlari-hakkinda-karar-15853 1977-02-17T00:00:00Z https://www.lexpera.com.tr/resmi-gazete/metin/turk-standardlari-enstitusu-tarafindan-hazirlanan-mallar-hakkinda-karar-15853 1977-02-17T00:00:00Z