GB/T 43556.1-2023光纤光缆线路维护技术第1部分:基于泄漏光的光纤识别国家标准
英文:Maintenance technology of optical fibre and cable line—Part 1: Fibre identification based on leaky light GB/T 43556.1...
英文:Maintenance technology of optical fibre and cable line—Part 1: Fibre identification based on leaky light GB/T 43556.1...