Applied filter:
StandardizationOperational Bulletin No. 734 (15.II.2001
Operational Bulletin No. 734 (15.II.2001) (15.02.2001)
Operational Bulletin No. 693 (1.VI.1999)
Operational Bulletin No. 693 (1.VI.1999) and Annexed List: List of Telex Destination Codes (TDC) and Telex Network Identification Codes (TNIC) (Complement to ITU-T Recommendations F.69 and F.68) (Position on 31 May 1999) (01.06.1999)
Operational Bulletin No. 667 (1.V.1998)
Operational Bulletin No. 667 (1.V.1998) and Annexed List: List of international signalling point codes (ISPC) (According to ITU-T Re commendation Q.708) (Position on 1 May 1998) (01.05.1998)
Operational Bulletin No. 735 (1.III.2001
Operational Bulletin No. 735 (1.III.2001) and Annexed List: List of International Signalling Point Codes (ISPC) (According to ITU-T Recommendation Q.708 (03/99)) (Position on 1st march 2001) (01.03.2001)
Puesta a tierra de las instalaciones de
Puesta a tierra de las instalaciones de telecomunicación (1.ª edición, 1976)
Operational Bulletin No. 694 (15.VI.1999
Operational Bulletin No. 694 (15.VI.1999) (15.06.1999)
Operational Bulletin No. 668 (15.V.1998)
Operational Bulletin No. 668 (15.V.1998) (15.05.1998)
Operational Bulletin No. 736 (15.III.200
Operational Bulletin No. 736 (15.III.2001) (15.03.2001)
Protección contra el rayo de las líneas
Protección contra el rayo de las líneas e instalaciones de telecomunicación - Capítulos 6, 7 y 8 (1978)
Operational Bulletin No. 665 (1.IV.1998)
Operational Bulletin No. 665 (1.IV.1998) and Annexed List: Various tones used in national networks (Supplement 2 to ITU-T Recommendation E.180) (Position on 1 April 1998) (01.04.1998)
Operational Bulletin No. 733 (1.II.2001)
Operational Bulletin No. 733 (1.II.2001) (01.02.2001)
The Protection of Telecommunication Line
The Protection of Telecommunication Lines and Equipment Against Lightning Discharges - Chapters 6, 7 and 8 (1978)