
INFORMATION PROCESSING SYSTEMS. OPEN SYSTEMS INTERCONNECTION. BASIC REFERENCE MODEL. (Endorsed by AENOR in April of 1993.)
STANDARD published on 4.11.1995
Designation standards: UNE-EN 27498:1989
Note: WITHDRAWN
Publication date standards: 4.11.1995
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE