GB/T 15972.43-2021光纤试验方法规范第43部分:传输特性的测量方法和试验程序数值孔径标准
英文:Specifications for optical fibre test methods—Part 43: Measurement methods and test procedures for transmission chara...
英文:Specifications for optical fibre test methods—Part 43: Measurement methods and test procedures for transmission chara...