የአእምሯዊ ንብረት ጋዜጣ ቅጽ 23 ቁጥር 1 መስከረም 5/2019 ዓ.ም Intellectual Property Gazette Vol. 23 No. 1 September 15/2026AdminSeptember 15, 2026IP Gazzete IP GAZETTE VOL 23 NO 1 MESKEREM 05,2019Download