Dokyumento NTT
Subtitle: tsūshin shinseiki "shuyaku" no jōken
By: "Shūkan Daiyamondo" Tokubetsu Shuzaihan.
Contributors: "Shūkan Daiyamondo" Tokubetsu Shuzaihan.
Edition: Shohan
Publisher: Daiyamondosha
Published: 1985
Place of publication: Tōkyō
Language: jpn
Number of pages: 192
Subjects: Nihon Denshin Denwa Kabushiki Kaisha.