세계전기통신연합

From IT Wiki
Revision as of 13:25, 7 October 2019 by 보안기사 (talk | contribs) (새 문서: 분류:표준분류:조직/단체 ;International Telecommunications Union)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
International Telecommunications Union
Retrieved from "https://itwiki.kr/index.php?title=세계전기통신연합&oldid=3983"