Data & voice multiplexers.
Contributors: International Resource Development, inc.
Series: Report / International Resource Development Inc. ;; #578; Report (International Resource Development, inc.) ;; #578.
Publisher: IRD
Published: 1983
Place of publication: Norwalk, Conn, U.S.A. (30 High St., Norwalk 06851)
Language: eng
Number of pages: 169
Subjects: Telecommunication equipment industry.; Telephone -- Multiplex systems.; Telegraph -- Multiplex systems.; Multiplexing.; Market surveys.
Other titles: Data and voice multiplexers.