世界知的所有権機関 動画
1.Ghana Joins WIPO’s International System of Geographical Indications, 2:14 
Ghana Joins WIPO's International System of Geographical Indications
世界知的所有権機関(WIPO) vol.66 商標_動画(embedded)
タグ: Lisbon System
1.Ghana Joins WIPO’s International System of Geographical Indications, 2:14