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ITU-T F.1 (1998) Amd. 1 (11/2007)

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Citation: https://handle.itu.int/11.1002/1000/9146
Series title: F series: Non-telephone telecommunication services
  F.1-F.109: Telegraph service
  F.1-F.19: Operating methods for the international public telegram service
Approval date: 2007-11-08
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 2
Further details: Patent statement(s)
Development history