NTTopics.
Nihon Denshin Denwa Kōsha.
New York, N.Y. : Ruder Finn & Rotman, Inc.
"Nippon Telegraph & Telephone newsletter."
"Nippon Telegraph & Telephone newsletter."
Vols. for  prepared for Nippon Telegraph & Telephone Public Corporation (New York Office) by Ruder Finn & Rotman, Inc.
Description based on: No. 7 (summer 1984); title from caption.
Latest issue consulted: No. 17 (spring 1987).
Nihon Denshin Denwa Kōsha.
Telecommunication
Data transmission systems