Technical requirements for telephone ancillary equipment and key connected equipment
By: Nippon Telegraph & Telephone Public Corporation.
Contributors: Nihon Denshin Denwa Kōsha. Shisetsukyoku.
Series: NTT technical requirements; Nihon Denshin Denwa Kōsha.
Publisher: Telecommunications Association
Published: 1980
Place of publication: Tokyo, Japan
Language: eng
Number of pages: 17
Subjects: Telephone -- Law and legislation -- Japan.; Telephone -- Japan -- Equipment and supplies.
Notes: "Translated from ... NTT public notice no. 149, 1972"--p. [2] of cover.
Cover title.
"Henshū Nihon Denshin Denwa Kōsha Shisetsukyoku"--Colophon.