Luanda angola 28 nov an agreement between the african investment bank aib and germany s exportation financing bank aka was signed friday by the german and angolan governments to provide a credit line for the air navigation sector an aib press release said 安哥拉罗安达， 11月28日电非洲投资银行aib的一份新闻稿称，上周五，德国和安哥拉政府签署了一份aib与德国出口融资银行aka之间的协议，为安航空业提供信用额度。
