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ITU-T Q Suppl. 2 (09/1997)

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Citation: https://handle.itu.int/11.1002/1000/4296
Series title:
Approval date: 1997-09-12
Approval process:TAP
Status: In force
Observation:Formerly Supplement 1 to ITU-T Rec. Q.1219
Maintenance responsibility: ITU-T Study Group 11
Further details: Patent statement(s)