Amendment 2 to IEC International Standard IEC 60027-2: Letter symbols to be used in electrical technology—Part 2: Telecommunications and electronics [1] (页面存档备份,存于互联网档案馆)
Amendment 2 to IEC International Standard IEC 60027-2: Letter symbols to be used in electrical technology—Part 2: Telecommunications and electronics [1] (页面存档备份,存于互联网档案馆)