IEC 61300-3-30:2020
光纤互连设备和无源元件 基本测试和测量程序 第 3-30 部分:检查和测量 矩形套圈的端面几何形状
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-30: Examinations and measurements - Endface geometry of rectangular ferrule