It has the status of a horizontal standard in accordance with IEC Guide 108.
IEC 60050-721 Ed. 1.0 t:1991
Original price was: $481.00.$240.00Current price is: $240.00.
International Electrotechnical Vocabulary (IEV) – Part 721: Telegraphy, facsimile and data communication
International Electrotechnical Commission , 11/30/1991
Pages: 317
