የአእምሯዊ ንብረት ጋዜጣ ቅጽ 23 ቁጥር 8 ጥቅምት 23/2019 Intellectual Property Gazette Vol. 23 No. 8 November 2, 2026AdminNovember 2, 2026IP Gazzete IP GAZETTE VOL 23 NO 8 TIKMT 23,2019Download