Additional Information
| Title | 1 第1期―電話の時代（1）通信自由化の背景と1985年改革の概要 |
|---|---|
| URL | https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/h27/html/nc111110.html |
| Description | |
| Format | HTML |
| File Size | |
| Last Modified Date | June 6, 2023 |
| License | CC-BY |
| Copyright | |
| Language |
| Title | 1 第1期―電話の時代（1）通信自由化の背景と1985年改革の概要 |
|---|---|
| URL | https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/h27/html/nc111110.html |
| Description | |
| Format | HTML |
| File Size | |
| Last Modified Date | June 6, 2023 |
| License | CC-BY |
| Copyright | |
| Language |