File:Telecom history in Japan 2019.png
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editDescriptionTelecom history in Japan 2019.png |
日本語: 日本国内の電気通信業界の主な変遷
English: Major changes in the telecom industry in Japan. |
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Source |
総務省『令和元年版情報通信白書』「図表3-1-7-6 国内通信業界の変遷」 https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/r01/html/nd231720.html |
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Author | 総務省 (The Japan government Ministry of Internal Affairs and Communications) | ||
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This file is licensed under the Creative Commons Attribution 4.0 International license. Attribution: 総務省ホームページ
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current | 10:38, 28 April 2020 | 7,535 × 4,996 (1.7 MB) | Tbgmlove (talk | contribs) | 軽量化 | |
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