GB/T 15972.44-2017光纤试验方法规范第44部分:传输特性和光学特性的测量方法和试验程序截止波长国家标准
英文:Specifications for optical fibre test methods—Part 44: Measurement methods and test procedures for transmission and o...
英文:Specifications for optical fibre test methods—Part 44: Measurement methods and test procedures for transmission and o...