IEC 60050-721:1991/AMD5:2021

Amendment 5 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication

Circulation Date: 2021-09
Edition: 1.0
Language: EN-FR - bilingual english/french
Seitenzahl: 3 VDE Artno.: 250245