Specifications of signalling system no.7 : recommendations Q.721-Q.766

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Bibliographic Information

Specifications of signalling system no.7 : recommendations Q.721-Q.766

CCITT, International Telegraph and Telephone Consultative Committee

（Blue book : CCITT, IXth Plenary Assembly, Melbourne, 14-25 November 1988, vol. 6 ; fasc. 6-8）

International Telecommunication Union, 1989

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Details

  • NCID
    BA43696895
  • ISBN
    • 9261035213
  • Country Code
    sz
  • Title Language Code
    eng
  • Text Language Code
    eng
  • Place of Publication
    Geneva
  • Pages/Volumes
    474 p.
  • Size
    30 cm
  • Parent Bibliography ID
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