Annual report  1979/80

[目次]

• CONTENTS
• Message from the President / 1
• Expansion and Improvement of Telegraph and Telephone Services / 3
• Technological Innovations and Research and Development / 9
• Contributions to Welfare / 13
• International Cooperation / 14
• Voice of the Public / 15
• NTT People / 16
• Disaster Control Measures / 17
• Public Relations Activities / 21
• Financial Review / 23
• Major Indexes / 29
• Organization / 31

「国立国会図書館デジタルコレクション」より