GB/T 15972.47-2021光纤试验方法规范第47部分:传输特性的测量方法和试验程序宏弯损耗标准
英文:Specifications for optical fibre test method—Part 47:Measurement methods and test procedures for transmission charact...
英文:Specifications for optical fibre test method—Part 47:Measurement methods and test procedures for transmission charact...