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ITU-T X.200 (11/1988)

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Reference Model of Open Systems Interconnection for CCITT applications
Citation: http://handle.itu.int/11.1002/1000/2819
Approval date: 1988-11-25
Identical standard:ISO 7498:1984 (Twinned)
Approval process:WTSA
Status: Superseded
Maintenance responsibility: ITU-T Study Group 17
Further details: Patent statement(s)
Ed. ITU-T Recommendation Status Summary Table of Contents Download
4 X.200 (07/1994) In force
here
here
here
3 X.200 (11/1988) Superseded -
here
here
2 X.200 (10/1984) Superseded - - Not available
1 X.200 (04/1983) Superseded - - Not available