GB/T 16608.55-2012
AbolishedElectromechanical all-or-nothing relays - Part 55: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality - Two change-over contacts, 11mm×7,5mm (max)base
有或无机电继电器 第55部分:空白详细规范 电信用有质量评定的有或无机电继电器 两组转换触点,11mm×7.5mm(最大)底座