Specifications of signalling systems Nos. 4 and 5 : recommendations Q.120-Q.180

Author(s)

• International Telegraph and Telephone Consultative Committee. Plenary Assembly
• International Telecommunication Union
• International Telegraph and Telephone Consultative Committee

Bibliographic Information

Specifications of signalling systems Nos. 4 and 5 : recommendations Q.120-Q.180

CCITT, International Telegraph and Telephone Consultative Committee

（Yellow book : VIIth Plenary Assembly, Geneva, 10-21 November 1980 / CCITT, The International Telegraph and Telephone Consultative Committee, vol. 6 ; fasc. 6-2）

International Telecommunication Union, 1981

Details

• NCID: BB10488583
• ISBN:
  • 926101061X
• Country Code: sz
• Title Language Code: eng
• Text Language Code: eng
• Place of Publication: Geneva
• Pages/Volumes: vi, 110 p.
• Size: 30 cm
• Parent Bibliography ID:
  • BB10475264