Data, text, and voice encryption equipment.
Contributors: International Resource Development, inc.
Series: Report / International Resource Development inc. ;; #630; Report (International Resource Development, inc.) ;; #630.
Publisher: International Resource Development
Published: 1984
Place of publication: Norwalk, Conn., U.S.A. (6 Prowitt St., Norwalk 06855)
Language: eng
Number of pages: 184
Subjects: Cryptography equipment industry -- United States.; Market surveys -- United States.