GB/T 15157.14-2007
频率低于3MHz的印制板连接器 第14部分:音频、视频和音像设备用低音频及视频圆形连接器详细规范
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