Additional Information
Title | 1 電話サービスの多様化技術 |
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URL | https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/s57/html/s57a02070801.html |
Description | |
Format | HTML |
File Size | |
Last Modified Date | June 8, 2023 |
License | CC-BY |
Copyright | |
Language |
Title | 1 電話サービスの多様化技術 |
---|---|
URL | https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/s57/html/s57a02070801.html |
Description | |
Format | HTML |
File Size | |
Last Modified Date | June 8, 2023 |
License | CC-BY |
Copyright | |
Language |