IEC 60939-2-1:2004
抑制无线电干扰用整套滤波装置.第2-1部分:空白详细规范.抑制电磁干扰用无源过滤装置.安全试验所需的过滤器(评定等级D/DZ)
Complete filter units for radio interference suppression - Part 2-1: Blank detail specification - Passive filter units for electromagnetic interference suppression - Filters for which safety tests are required (assessment level D/DZ)