GB/T 28504.2-2021掺稀土光纤第2部分:双包层掺铥光纤特性标准
英文:Rare earth doped optical fibre—Part 2: Characteristics of double-cladding thulium-doped optical fibre GB/T 28504.2-20...
英文:Rare earth doped optical fibre—Part 2: Characteristics of double-cladding thulium-doped optical fibre GB/T 28504.2-20...