略語大辞典 [E] 45 ITU† International Telecommunication Union 国際電気通信連合. 国連の経済社会理事会の専門機関. 政府間機構. International Telecommunication Union; since 1865; a specialized organization in UN(United Nations) since 1947; has CCIR((F) Comite Consultatif International des Radio Communications, or International Radio Consultati 丸善「略語大辞典」JLogosID : 11879338