Connectors for frequencies below 3 MHz for use with printed boards - Part 14: Detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment (IEC 60603-14:1998); German version EN 60603-14:1999
印制板用频率低于3MHz的连接器第14部分:音频、视频和视听设备等低频音频和视频应用的圆形连接器详细规范(IEC 60603-14-1998);德文版EN 60603-14:1999