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Codes & Standards - Purchase

IEC 60050-721:1991

International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
  • Trilingual
  • Published in 1991
  • Published by IEC
Codes & Standards - Purchase

IEC 60050-721:1991/AMD1:2016

Amendement 1 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
  • Bilingual
  • Published in 2016
  • Published by IEC
Codes & Standards - Purchase

IEC 60050-721:1991/AMD2:2017

Amendement 2 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
  • Bilingual
  • Published in 2017
  • Published by IEC
Codes & Standards - Purchase

IEC 60050-721:1991/AMD3:2018

Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
  • Bilingual
  • Published in 2018
  • Published by IEC
Codes & Standards - Purchase

IEC 60050-721:1991/AMD4:2019

Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
  • Bilingual
  • Published in 2019
  • Published by IEC
Codes & Standards - Purchase

IEC 60050-721:1991/AMD5:2021

Amendment 5 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
  • Bilingual
  • Published in 2021
  • Published by IEC
Codes & Standards - Purchase

IEC 60050-722:1992

International Electrotechnical Vocabulary (IEV) - Part 722: Telephony
  • Trilingual
  • Published in 1992
  • Published by IEC
Codes & Standards - Purchase

IEC 60050-722:1992/AMD1:2017

Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 722: Telephony
  • Bilingual
  • Published in 2017
  • Published by IEC