Data, text, and voice encryption equipment
By: International Resource Development Inc.
Contributors: International Resource Development, inc.
Series: Report / International Resource Development Inc. ;; #183; Report (International Resource Development, inc.) ;; #183.
Publisher: IRD
Published: 1981
Place of publication: Norwalk, Conn. (30 High St., Norwalk 06851)
Language: eng
Number of pages: 154
Subjects: Cryptography equipment industry.; Cryptography equipment industry -- United States.; Market surveys -- United States.