Operational Bulletin No. 665 (1.IV.1998)
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Operational Bulletin No. 733 (1.II.2001)
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Operational Bulletin No. 692 (15.V.1999)
Operational Bulletin No. 692 (15.V.1999) and Annexed List: List of Telegram Destination Indicators (In accordance with ITU-T Recommendation F.32) (Position on 15 May 1999) (15.05.1999)
Operational Bulletin No. 698 (15.VIII.19
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Operational Bulletin No. 693 (1.VI.1999)
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Operational Bulletin No. 673 (1.VII.1998
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(R) WTSA - DUBAI 2012
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Operational Bulletin No. 699 (1.IX.1999)
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Instructions sur le service téléphonique
Instructions sur le service téléphonique international (1993)
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